Home / 156,939.10-235,101.45-94,423.90

Finding the Fourth Proportional to 156,939.10, 235,101.45 and 94,423.90

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Solution

The fourth proportional to 156,939.10, 235,101.45 and 94,423.90 is: 141,451.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.10 : 235,101.45 = 94,423.90 : x
  2. Step 2: Convert to fraction form
    156,939.10/235,101.45 = 94,423.90/x
  3. Step 3: Cross multiply
    156,939.10x = 235,101.45 × 94,423.90
  4. Step 4: Simplify right side
    156,939.10x = 22,199,195,804.66
  5. Step 5: Solve for x
    x = 22,199,195,804.66/156,939.10
  6. Step 6: Final answer
    x = 141,451.02

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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.