Home / 156,558.46-234,526.65-86,263.42

Finding the Fourth Proportional to 156,558.46, 234,526.65 and 86,263.42

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Solution

The fourth proportional to 156,558.46, 234,526.65 and 86,263.42 is: 129,223.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,558.46 : 234,526.65 = 86,263.42 : x
  2. Step 2: Convert to fraction form
    156,558.46/234,526.65 = 86,263.42/x
  3. Step 3: Cross multiply
    156,558.46x = 234,526.65 × 86,263.42
  4. Step 4: Simplify right side
    156,558.46x = 20,231,070,910.14
  5. Step 5: Solve for x
    x = 20,231,070,910.14/156,558.46
  6. Step 6: Final answer
    x = 129,223.75

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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.