Home / 156,124.98-234,187.11-120,637.89

Finding the Fourth Proportional to 156,124.98, 234,187.11 and 120,637.89

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Solution

The fourth proportional to 156,124.98, 234,187.11 and 120,637.89 is: 180,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,124.98 : 234,187.11 = 120,637.89 : x
  2. Step 2: Convert to fraction form
    156,124.98/234,187.11 = 120,637.89/x
  3. Step 3: Cross multiply
    156,124.98x = 234,187.11 × 120,637.89
  4. Step 4: Simplify right side
    156,124.98x = 28,251,838,815.60
  5. Step 5: Solve for x
    x = 28,251,838,815.60/156,124.98
  6. Step 6: Final answer
    x = 180,956.56

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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.