Home / 147,240.24-220,424.04-90,899.19

Finding the Fourth Proportional to 147,240.24, 220,424.04 and 90,899.19

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Solution

The fourth proportional to 147,240.24, 220,424.04 and 90,899.19 is: 136,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,240.24 : 220,424.04 = 90,899.19 : x
  2. Step 2: Convert to fraction form
    147,240.24/220,424.04 = 90,899.19/x
  3. Step 3: Cross multiply
    147,240.24x = 220,424.04 × 90,899.19
  4. Step 4: Simplify right side
    147,240.24x = 20,036,366,692.53
  5. Step 5: Solve for x
    x = 20,036,366,692.53/147,240.24
  6. Step 6: Final answer
    x = 136,079.42

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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.