Home / 147,186.80-220,672.20-58,396.40

Finding the Fourth Proportional to 147,186.80, 220,672.20 and 58,396.40

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Solution

The fourth proportional to 147,186.80, 220,672.20 and 58,396.40 is: 87,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,186.80 : 220,672.20 = 58,396.40 : x
  2. Step 2: Convert to fraction form
    147,186.80/220,672.20 = 58,396.40/x
  3. Step 3: Cross multiply
    147,186.80x = 220,672.20 × 58,396.40
  4. Step 4: Simplify right side
    147,186.80x = 12,886,462,060.08
  5. Step 5: Solve for x
    x = 12,886,462,060.08/147,186.80
  6. Step 6: Final answer
    x = 87,551.75

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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.