Home / 147,332.75-221,109.11-99,835.17

Finding the Fourth Proportional to 147,332.75, 221,109.11 and 99,835.17

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Solution

The fourth proportional to 147,332.75, 221,109.11 and 99,835.17 is: 149,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,332.75 : 221,109.11 = 99,835.17 : x
  2. Step 2: Convert to fraction form
    147,332.75/221,109.11 = 99,835.17/x
  3. Step 3: Cross multiply
    147,332.75x = 221,109.11 × 99,835.17
  4. Step 4: Simplify right side
    147,332.75x = 22,074,465,086.22
  5. Step 5: Solve for x
    x = 22,074,465,086.22/147,332.75
  6. Step 6: Final answer
    x = 149,827.28

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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.