Home / 333,981.20-501,032.55-109,279.10

Finding the Fourth Proportional to 333,981.20, 501,032.55 and 109,279.10

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Solution

The fourth proportional to 333,981.20, 501,032.55 and 109,279.10 is: 163,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,981.20 : 501,032.55 = 109,279.10 : x
  2. Step 2: Convert to fraction form
    333,981.20/501,032.55 = 109,279.10/x
  3. Step 3: Cross multiply
    333,981.20x = 501,032.55 × 109,279.10
  4. Step 4: Simplify right side
    333,981.20x = 54,752,386,134.71
  5. Step 5: Solve for x
    x = 54,752,386,134.71/333,981.20
  6. Step 6: Final answer
    x = 163,938.53

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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.