Home / 147,035.80-220,445.70-58,245.40

Finding the Fourth Proportional to 147,035.80, 220,445.70 and 58,245.40

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Solution

The fourth proportional to 147,035.80, 220,445.70 and 58,245.40 is: 87,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,035.80 : 220,445.70 = 58,245.40 : x
  2. Step 2: Convert to fraction form
    147,035.80/220,445.70 = 58,245.40/x
  3. Step 3: Cross multiply
    147,035.80x = 220,445.70 × 58,245.40
  4. Step 4: Simplify right side
    147,035.80x = 12,839,947,974.78
  5. Step 5: Solve for x
    x = 12,839,947,974.78/147,035.80
  6. Step 6: Final answer
    x = 87,325.32

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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.