Home / 147,648.59-221,292.95-76,532.02

Finding the Fourth Proportional to 147,648.59, 221,292.95 and 76,532.02

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Solution

The fourth proportional to 147,648.59, 221,292.95 and 76,532.02 is: 114,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,648.59 : 221,292.95 = 76,532.02 : x
  2. Step 2: Convert to fraction form
    147,648.59/221,292.95 = 76,532.02/x
  3. Step 3: Cross multiply
    147,648.59x = 221,292.95 × 76,532.02
  4. Step 4: Simplify right side
    147,648.59x = 16,935,996,185.11
  5. Step 5: Solve for x
    x = 16,935,996,185.11/147,648.59
  6. Step 6: Final answer
    x = 114,704.76

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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.