Home / 153,092-211,178.88-95,631.68

Finding the Fourth Proportional to 153,092, 211,178.88 and 95,631.68

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Solution

The fourth proportional to 153,092, 211,178.88 and 95,631.68 is: 131,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,092 : 211,178.88 = 95,631.68 : x
  2. Step 2: Convert to fraction form
    153,092/211,178.88 = 95,631.68/x
  3. Step 3: Cross multiply
    153,092x = 211,178.88 × 95,631.68
  4. Step 4: Simplify right side
    153,092x = 20,195,391,074.92
  5. Step 5: Solve for x
    x = 20,195,391,074.92/153,092
  6. Step 6: Final answer
    x = 131,916.70

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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.