Home / 225,276.47-338,031.20-99,005.32

Finding the Fourth Proportional to 225,276.47, 338,031.20 and 99,005.32

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Solution

The fourth proportional to 225,276.47, 338,031.20 and 99,005.32 is: 148,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,276.47 : 338,031.20 = 99,005.32 : x
  2. Step 2: Convert to fraction form
    225,276.47/338,031.20 = 99,005.32/x
  3. Step 3: Cross multiply
    225,276.47x = 338,031.20 × 99,005.32
  4. Step 4: Simplify right side
    225,276.47x = 33,466,885,785.88
  5. Step 5: Solve for x
    x = 33,466,885,785.88/225,276.47
  6. Step 6: Final answer
    x = 148,559.17

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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.