Home / 156,713.55-234,909.47-61,905.35

Finding the Fourth Proportional to 156,713.55, 234,909.47 and 61,905.35

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Solution

The fourth proportional to 156,713.55, 234,909.47 and 61,905.35 is: 92,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,713.55 : 234,909.47 = 61,905.35 : x
  2. Step 2: Convert to fraction form
    156,713.55/234,909.47 = 61,905.35/x
  3. Step 3: Cross multiply
    156,713.55x = 234,909.47 × 61,905.35
  4. Step 4: Simplify right side
    156,713.55x = 14,542,151,474.59
  5. Step 5: Solve for x
    x = 14,542,151,474.59/156,713.55
  6. Step 6: Final answer
    x = 92,794.47

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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.