Home / 147,029.40-220,414.68-58,345.20

Finding the Fourth Proportional to 147,029.40, 220,414.68 and 58,345.20

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Solution

The fourth proportional to 147,029.40, 220,414.68 and 58,345.20 is: 87,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,029.40 : 220,414.68 = 58,345.20 : x
  2. Step 2: Convert to fraction form
    147,029.40/220,414.68 = 58,345.20/x
  3. Step 3: Cross multiply
    147,029.40x = 220,414.68 × 58,345.20
  4. Step 4: Simplify right side
    147,029.40x = 12,860,138,587.54
  5. Step 5: Solve for x
    x = 12,860,138,587.54/147,029.40
  6. Step 6: Final answer
    x = 87,466.44

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1.5x scale

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.