Home / 147,422.92-221,126.70-47,581.24

Finding the Fourth Proportional to 147,422.92, 221,126.70 and 47,581.24

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Solution

The fourth proportional to 147,422.92, 221,126.70 and 47,581.24 is: 71,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,422.92 : 221,126.70 = 47,581.24 : x
  2. Step 2: Convert to fraction form
    147,422.92/221,126.70 = 47,581.24/x
  3. Step 3: Cross multiply
    147,422.92x = 221,126.70 × 47,581.24
  4. Step 4: Simplify right side
    147,422.92x = 10,521,482,583.11
  5. Step 5: Solve for x
    x = 10,521,482,583.11/147,422.92
  6. Step 6: Final answer
    x = 71,369.38

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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.