Home / 156,988.20-235,439.10-63,503.40

Finding the Fourth Proportional to 156,988.20, 235,439.10 and 63,503.40

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Solution

The fourth proportional to 156,988.20, 235,439.10 and 63,503.40 is: 95,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.20 : 235,439.10 = 63,503.40 : x
  2. Step 2: Convert to fraction form
    156,988.20/235,439.10 = 63,503.40/x
  3. Step 3: Cross multiply
    156,988.20x = 235,439.10 × 63,503.40
  4. Step 4: Simplify right side
    156,988.20x = 14,951,183,342.94
  5. Step 5: Solve for x
    x = 14,951,183,342.94/156,988.20
  6. Step 6: Final answer
    x = 95,237.63

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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.