Home / 197,734.71-272,872.53-107,088.60

Finding the Fourth Proportional to 197,734.71, 272,872.53 and 107,088.60

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Solution

The fourth proportional to 197,734.71, 272,872.53 and 107,088.60 is: 147,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,734.71 : 272,872.53 = 107,088.60 : x
  2. Step 2: Convert to fraction form
    197,734.71/272,872.53 = 107,088.60/x
  3. Step 3: Cross multiply
    197,734.71x = 272,872.53 × 107,088.60
  4. Step 4: Simplify right side
    197,734.71x = 29,221,537,216.16
  5. Step 5: Solve for x
    x = 29,221,537,216.16/197,734.71
  6. Step 6: Final answer
    x = 147,781.53

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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.