Home / 154,068.20-231,491.10-97,935.20

Finding the Fourth Proportional to 154,068.20, 231,491.10 and 97,935.20

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Solution

The fourth proportional to 154,068.20, 231,491.10 and 97,935.20 is: 147,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,068.20 : 231,491.10 = 97,935.20 : x
  2. Step 2: Convert to fraction form
    154,068.20/231,491.10 = 97,935.20/x
  3. Step 3: Cross multiply
    154,068.20x = 231,491.10 × 97,935.20
  4. Step 4: Simplify right side
    154,068.20x = 22,671,127,176.72
  5. Step 5: Solve for x
    x = 22,671,127,176.72/154,068.20
  6. Step 6: Final answer
    x = 147,149.95

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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.