Home / 156,985.20-235,434.60-63,500.40

Finding the Fourth Proportional to 156,985.20, 235,434.60 and 63,500.40

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Solution

The fourth proportional to 156,985.20, 235,434.60 and 63,500.40 is: 95,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.20 : 235,434.60 = 63,500.40 : x
  2. Step 2: Convert to fraction form
    156,985.20/235,434.60 = 63,500.40/x
  3. Step 3: Cross multiply
    156,985.20x = 235,434.60 × 63,500.40
  4. Step 4: Simplify right side
    156,985.20x = 14,950,191,273.84
  5. Step 5: Solve for x
    x = 14,950,191,273.84/156,985.20
  6. Step 6: Final answer
    x = 95,233.13

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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.