Home / 152,965.92-211,070.16-85,884.96

Finding the Fourth Proportional to 152,965.92, 211,070.16 and 85,884.96

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Solution

The fourth proportional to 152,965.92, 211,070.16 and 85,884.96 is: 118,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,965.92 : 211,070.16 = 85,884.96 : x
  2. Step 2: Convert to fraction form
    152,965.92/211,070.16 = 85,884.96/x
  3. Step 3: Cross multiply
    152,965.92x = 211,070.16 × 85,884.96
  4. Step 4: Simplify right side
    152,965.92x = 18,127,752,248.79
  5. Step 5: Solve for x
    x = 18,127,752,248.79/152,965.92
  6. Step 6: Final answer
    x = 118,508.44

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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.