Home / 157,120.90-235,681.82-38,792.24

Finding the Fourth Proportional to 157,120.90, 235,681.82 and 38,792.24

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Solution

The fourth proportional to 157,120.90, 235,681.82 and 38,792.24 is: 58,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,120.90 : 235,681.82 = 38,792.24 : x
  2. Step 2: Convert to fraction form
    157,120.90/235,681.82 = 38,792.24/x
  3. Step 3: Cross multiply
    157,120.90x = 235,681.82 × 38,792.24
  4. Step 4: Simplify right side
    157,120.90x = 9,142,625,725.08
  5. Step 5: Solve for x
    x = 9,142,625,725.08/157,120.90
  6. Step 6: Final answer
    x = 58,188.48

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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.