Home / 147,677.92-221,528.50-72,757.17

Finding the Fourth Proportional to 147,677.92, 221,528.50 and 72,757.17

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Solution

The fourth proportional to 147,677.92, 221,528.50 and 72,757.17 is: 109,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,677.92 : 221,528.50 = 72,757.17 : x
  2. Step 2: Convert to fraction form
    147,677.92/221,528.50 = 72,757.17/x
  3. Step 3: Cross multiply
    147,677.92x = 221,528.50 × 72,757.17
  4. Step 4: Simplify right side
    147,677.92x = 16,117,786,552.45
  5. Step 5: Solve for x
    x = 16,117,786,552.45/147,677.92
  6. Step 6: Final answer
    x = 109,141.48

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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.