Home / 147,207.45-220,843.76-53,712.93

Finding the Fourth Proportional to 147,207.45, 220,843.76 and 53,712.93

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Solution

The fourth proportional to 147,207.45, 220,843.76 and 53,712.93 is: 80,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,207.45 : 220,843.76 = 53,712.93 : x
  2. Step 2: Convert to fraction form
    147,207.45/220,843.76 = 53,712.93/x
  3. Step 3: Cross multiply
    147,207.45x = 220,843.76 × 53,712.93
  4. Step 4: Simplify right side
    147,207.45x = 11,862,165,421.82
  5. Step 5: Solve for x
    x = 11,862,165,421.82/147,207.45
  6. Step 6: Final answer
    x = 80,581.28

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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.