Home / 129,590.38-194,252.28-49,609.51

Finding the Fourth Proportional to 129,590.38, 194,252.28 and 49,609.51

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Solution

The fourth proportional to 129,590.38, 194,252.28 and 49,609.51 is: 74,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,590.38 : 194,252.28 = 49,609.51 : x
  2. Step 2: Convert to fraction form
    129,590.38/194,252.28 = 49,609.51/x
  3. Step 3: Cross multiply
    129,590.38x = 194,252.28 × 49,609.51
  4. Step 4: Simplify right side
    129,590.38x = 9,636,760,848.19
  5. Step 5: Solve for x
    x = 9,636,760,848.19/129,590.38
  6. Step 6: Final answer
    x = 74,363.24

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1.5x scale

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.