Home / 121,612.64-182,400.25-40,561.10

Finding the Fourth Proportional to 121,612.64, 182,400.25 and 40,561.10

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Solution

The fourth proportional to 121,612.64, 182,400.25 and 40,561.10 is: 60,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,612.64 : 182,400.25 = 40,561.10 : x
  2. Step 2: Convert to fraction form
    121,612.64/182,400.25 = 40,561.10/x
  3. Step 3: Cross multiply
    121,612.64x = 182,400.25 × 40,561.10
  4. Step 4: Simplify right side
    121,612.64x = 7,398,353,766.87
  5. Step 5: Solve for x
    x = 7,398,353,766.87/121,612.64
  6. Step 6: Final answer
    x = 60,835.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.