Home / 147,635.20-221,452.80-58,902.40

Finding the Fourth Proportional to 147,635.20, 221,452.80 and 58,902.40

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Solution

The fourth proportional to 147,635.20, 221,452.80 and 58,902.40 is: 88,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,635.20 : 221,452.80 = 58,902.40 : x
  2. Step 2: Convert to fraction form
    147,635.20/221,452.80 = 58,902.40/x
  3. Step 3: Cross multiply
    147,635.20x = 221,452.80 × 58,902.40
  4. Step 4: Simplify right side
    147,635.20x = 13,044,101,406.72
  5. Step 5: Solve for x
    x = 13,044,101,406.72/147,635.20
  6. Step 6: Final answer
    x = 88,353.60

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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.