Home / 156,971.10-235,456.65-144,068.70

Finding the Fourth Proportional to 156,971.10, 235,456.65 and 144,068.70

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Solution

The fourth proportional to 156,971.10, 235,456.65 and 144,068.70 is: 216,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.10 : 235,456.65 = 144,068.70 : x
  2. Step 2: Convert to fraction form
    156,971.10/235,456.65 = 144,068.70/x
  3. Step 3: Cross multiply
    156,971.10x = 235,456.65 × 144,068.70
  4. Step 4: Simplify right side
    156,971.10x = 33,921,933,471.86
  5. Step 5: Solve for x
    x = 33,921,933,471.86/156,971.10
  6. Step 6: Final answer
    x = 216,103.05

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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.