Home / 165,193.74-247,760.28-75,215.16

Finding the Fourth Proportional to 165,193.74, 247,760.28 and 75,215.16

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Solution

The fourth proportional to 165,193.74, 247,760.28 and 75,215.16 is: 112,808.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,193.74 : 247,760.28 = 75,215.16 : x
  2. Step 2: Convert to fraction form
    165,193.74/247,760.28 = 75,215.16/x
  3. Step 3: Cross multiply
    165,193.74x = 247,760.28 × 75,215.16
  4. Step 4: Simplify right side
    165,193.74x = 18,635,329,101.84
  5. Step 5: Solve for x
    x = 18,635,329,101.84/165,193.74
  6. Step 6: Final answer
    x = 112,808.93

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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.