Home / 156,570.48-216,068.65-84,951.92

Finding the Fourth Proportional to 156,570.48, 216,068.65 and 84,951.92

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Solution

The fourth proportional to 156,570.48, 216,068.65 and 84,951.92 is: 117,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,570.48 : 216,068.65 = 84,951.92 : x
  2. Step 2: Convert to fraction form
    156,570.48/216,068.65 = 84,951.92/x
  3. Step 3: Cross multiply
    156,570.48x = 216,068.65 × 84,951.92
  4. Step 4: Simplify right side
    156,570.48x = 18,355,446,997.10
  5. Step 5: Solve for x
    x = 18,355,446,997.10/156,570.48
  6. Step 6: Final answer
    x = 117,234.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.