Home / 147,075.48-220,584.17-40,431.92

Finding the Fourth Proportional to 147,075.48, 220,584.17 and 40,431.92

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Solution

The fourth proportional to 147,075.48, 220,584.17 and 40,431.92 is: 60,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,075.48 : 220,584.17 = 40,431.92 : x
  2. Step 2: Convert to fraction form
    147,075.48/220,584.17 = 40,431.92/x
  3. Step 3: Cross multiply
    147,075.48x = 220,584.17 × 40,431.92
  4. Step 4: Simplify right side
    147,075.48x = 8,918,642,167.25
  5. Step 5: Solve for x
    x = 8,918,642,167.25/147,075.48
  6. Step 6: Final answer
    x = 60,639.90

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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.