Home / 119,306.31-178,950.16-69,354.55

Finding the Fourth Proportional to 119,306.31, 178,950.16 and 69,354.55

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Solution

The fourth proportional to 119,306.31, 178,950.16 and 69,354.55 is: 104,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,306.31 : 178,950.16 = 69,354.55 : x
  2. Step 2: Convert to fraction form
    119,306.31/178,950.16 = 69,354.55/x
  3. Step 3: Cross multiply
    119,306.31x = 178,950.16 × 69,354.55
  4. Step 4: Simplify right side
    119,306.31x = 12,411,007,819.23
  5. Step 5: Solve for x
    x = 12,411,007,819.23/119,306.31
  6. Step 6: Final answer
    x = 104,026.42

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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.