Home / 147,615.40-221,423.10-58,823.20

Finding the Fourth Proportional to 147,615.40, 221,423.10 and 58,823.20

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Solution

The fourth proportional to 147,615.40, 221,423.10 and 58,823.20 is: 88,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,615.40 : 221,423.10 = 58,823.20 : x
  2. Step 2: Convert to fraction form
    147,615.40/221,423.10 = 58,823.20/x
  3. Step 3: Cross multiply
    147,615.40x = 221,423.10 × 58,823.20
  4. Step 4: Simplify right side
    147,615.40x = 13,024,815,295.92
  5. Step 5: Solve for x
    x = 13,024,815,295.92/147,615.40
  6. Step 6: Final answer
    x = 88,234.80

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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.