Home / 147,230.26-220,686.63-72,263.14

Finding the Fourth Proportional to 147,230.26, 220,686.63 and 72,263.14

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Solution

The fourth proportional to 147,230.26, 220,686.63 and 72,263.14 is: 108,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.26 : 220,686.63 = 72,263.14 : x
  2. Step 2: Convert to fraction form
    147,230.26/220,686.63 = 72,263.14/x
  3. Step 3: Cross multiply
    147,230.26x = 220,686.63 × 72,263.14
  4. Step 4: Simplify right side
    147,230.26x = 15,947,508,839.82
  5. Step 5: Solve for x
    x = 15,947,508,839.82/147,230.26
  6. Step 6: Final answer
    x = 108,316.79

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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.