Home / 156,063.42-234,101.79-61,314.12

Finding the Fourth Proportional to 156,063.42, 234,101.79 and 61,314.12

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Solution

The fourth proportional to 156,063.42, 234,101.79 and 61,314.12 is: 91,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.42 : 234,101.79 = 61,314.12 : x
  2. Step 2: Convert to fraction form
    156,063.42/234,101.79 = 61,314.12/x
  3. Step 3: Cross multiply
    156,063.42x = 234,101.79 × 61,314.12
  4. Step 4: Simplify right side
    156,063.42x = 14,353,745,244.27
  5. Step 5: Solve for x
    x = 14,353,745,244.27/156,063.42
  6. Step 6: Final answer
    x = 91,973.80

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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.