Home / 484,329.15-726,604.29-147,417.55

Finding the Fourth Proportional to 484,329.15, 726,604.29 and 147,417.55

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Solution

The fourth proportional to 484,329.15, 726,604.29 and 147,417.55 is: 221,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,329.15 : 726,604.29 = 147,417.55 : x
  2. Step 2: Convert to fraction form
    484,329.15/726,604.29 = 147,417.55/x
  3. Step 3: Cross multiply
    484,329.15x = 726,604.29 × 147,417.55
  4. Step 4: Simplify right side
    484,329.15x = 107,114,224,251.29
  5. Step 5: Solve for x
    x = 107,114,224,251.29/484,329.15
  6. Step 6: Final answer
    x = 221,159.98

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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.