Home / 147,814.30-221,721.45-100,575.10

Finding the Fourth Proportional to 147,814.30, 221,721.45 and 100,575.10

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Solution

The fourth proportional to 147,814.30, 221,721.45 and 100,575.10 is: 150,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,814.30 : 221,721.45 = 100,575.10 : x
  2. Step 2: Convert to fraction form
    147,814.30/221,721.45 = 100,575.10/x
  3. Step 3: Cross multiply
    147,814.30x = 221,721.45 × 100,575.10
  4. Step 4: Simplify right side
    147,814.30x = 22,299,657,005.90
  5. Step 5: Solve for x
    x = 22,299,657,005.90/147,814.30
  6. Step 6: Final answer
    x = 150,862.65

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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.