Home / 156,770.06-235,159.55-38,441.30

Finding the Fourth Proportional to 156,770.06, 235,159.55 and 38,441.30

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Solution

The fourth proportional to 156,770.06, 235,159.55 and 38,441.30 is: 57,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,770.06 : 235,159.55 = 38,441.30 : x
  2. Step 2: Convert to fraction form
    156,770.06/235,159.55 = 38,441.30/x
  3. Step 3: Cross multiply
    156,770.06x = 235,159.55 × 38,441.30
  4. Step 4: Simplify right side
    156,770.06x = 9,039,838,809.42
  5. Step 5: Solve for x
    x = 9,039,838,809.42/156,770.06
  6. Step 6: Final answer
    x = 57,663.04

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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.