Home / 147,763.20-221,332.80-97,867.20

Finding the Fourth Proportional to 147,763.20, 221,332.80 and 97,867.20

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Solution

The fourth proportional to 147,763.20, 221,332.80 and 97,867.20 is: 146,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,763.20 : 221,332.80 = 97,867.20 : x
  2. Step 2: Convert to fraction form
    147,763.20/221,332.80 = 97,867.20/x
  3. Step 3: Cross multiply
    147,763.20x = 221,332.80 × 97,867.20
  4. Step 4: Simplify right side
    147,763.20x = 21,661,221,404.16
  5. Step 5: Solve for x
    x = 21,661,221,404.16/147,763.20
  6. Step 6: Final answer
    x = 146,594.15

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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.