Home / 147,813.80-221,429.10-88,473.20

Finding the Fourth Proportional to 147,813.80, 221,429.10 and 88,473.20

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Solution

The fourth proportional to 147,813.80, 221,429.10 and 88,473.20 is: 132,535.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,813.80 : 221,429.10 = 88,473.20 : x
  2. Step 2: Convert to fraction form
    147,813.80/221,429.10 = 88,473.20/x
  3. Step 3: Cross multiply
    147,813.80x = 221,429.10 × 88,473.20
  4. Step 4: Simplify right side
    147,813.80x = 19,590,541,050.12
  5. Step 5: Solve for x
    x = 19,590,541,050.12/147,813.80
  6. Step 6: Final answer
    x = 132,535.26

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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.