Home / 157,244.31-217,001.04-85,628.25

Finding the Fourth Proportional to 157,244.31, 217,001.04 and 85,628.25

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Solution

The fourth proportional to 157,244.31, 217,001.04 and 85,628.25 is: 118,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,244.31 : 217,001.04 = 85,628.25 : x
  2. Step 2: Convert to fraction form
    157,244.31/217,001.04 = 85,628.25/x
  3. Step 3: Cross multiply
    157,244.31x = 217,001.04 × 85,628.25
  4. Step 4: Simplify right side
    157,244.31x = 18,581,419,303.38
  5. Step 5: Solve for x
    x = 18,581,419,303.38/157,244.31
  6. Step 6: Final answer
    x = 118,169.10

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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.