Home / 157,170.21-235,753.02-38,841.57

Finding the Fourth Proportional to 157,170.21, 235,753.02 and 38,841.57

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Solution

The fourth proportional to 157,170.21, 235,753.02 and 38,841.57 is: 58,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,170.21 : 235,753.02 = 38,841.57 : x
  2. Step 2: Convert to fraction form
    157,170.21/235,753.02 = 38,841.57/x
  3. Step 3: Cross multiply
    157,170.21x = 235,753.02 × 38,841.57
  4. Step 4: Simplify right side
    157,170.21x = 9,157,017,429.04
  5. Step 5: Solve for x
    x = 9,157,017,429.04/157,170.21
  6. Step 6: Final answer
    x = 58,261.79

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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.