Home / 197,519,632.96-272,671,612.32-131,549,915.20

Finding the Fourth Proportional to 197,519,632.96, 272,671,612.32 and 131,549,915.20

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Solution

The fourth proportional to 197,519,632.96, 272,671,612.32 and 131,549,915.20 is: 181,601,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,519,632.96 : 272,671,612.32 = 131,549,915.20 : x
  2. Step 2: Convert to fraction form
    197,519,632.96/272,671,612.32 = 131,549,915.20/x
  3. Step 3: Cross multiply
    197,519,632.96x = 272,671,612.32 × 131,549,915.20
  4. Step 4: Simplify right side
    197,519,632.96x = 35,869,927,478,143,276
  5. Step 5: Solve for x
    x = 35,869,927,478,143,276/197,519,632.96
  6. Step 6: Final answer
    x = 181,601,833.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.