Home / 157,744.26-217,685.43-86,124.06

Finding the Fourth Proportional to 157,744.26, 217,685.43 and 86,124.06

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Solution

The fourth proportional to 157,744.26, 217,685.43 and 86,124.06 is: 118,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,744.26 : 217,685.43 = 86,124.06 : x
  2. Step 2: Convert to fraction form
    157,744.26/217,685.43 = 86,124.06/x
  3. Step 3: Cross multiply
    157,744.26x = 217,685.43 × 86,124.06
  4. Step 4: Simplify right side
    157,744.26x = 18,747,953,034.45
  5. Step 5: Solve for x
    x = 18,747,953,034.45/157,744.26
  6. Step 6: Final answer
    x = 118,850.30

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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.