Home / 157,121.41-235,682.61-38,792.77

Finding the Fourth Proportional to 157,121.41, 235,682.61 and 38,792.77

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Solution

The fourth proportional to 157,121.41, 235,682.61 and 38,792.77 is: 58,189.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,121.41 : 235,682.61 = 38,792.77 : x
  2. Step 2: Convert to fraction form
    157,121.41/235,682.61 = 38,792.77/x
  3. Step 3: Cross multiply
    157,121.41x = 235,682.61 × 38,792.77
  4. Step 4: Simplify right side
    157,121.41x = 9,142,781,282.73
  5. Step 5: Solve for x
    x = 9,142,781,282.73/157,121.41
  6. Step 6: Final answer
    x = 58,189.28

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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.