Home / 165,006.87-247,614.43-70,236.91

Finding the Fourth Proportional to 165,006.87, 247,614.43 and 70,236.91

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Solution

The fourth proportional to 165,006.87, 247,614.43 and 70,236.91 is: 105,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,006.87 : 247,614.43 = 70,236.91 : x
  2. Step 2: Convert to fraction form
    165,006.87/247,614.43 = 70,236.91/x
  3. Step 3: Cross multiply
    165,006.87x = 247,614.43 × 70,236.91
  4. Step 4: Simplify right side
    165,006.87x = 17,391,671,020.95
  5. Step 5: Solve for x
    x = 17,391,671,020.95/165,006.87
  6. Step 6: Final answer
    x = 105,399.68

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1.5x scale

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.