Home / 115,210.65-172,815.98-36,332.85

Finding the Fourth Proportional to 115,210.65, 172,815.98 and 36,332.85

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Solution

The fourth proportional to 115,210.65, 172,815.98 and 36,332.85 is: 54,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,210.65 : 172,815.98 = 36,332.85 : x
  2. Step 2: Convert to fraction form
    115,210.65/172,815.98 = 36,332.85/x
  3. Step 3: Cross multiply
    115,210.65x = 172,815.98 × 36,332.85
  4. Step 4: Simplify right side
    115,210.65x = 6,278,897,749.71
  5. Step 5: Solve for x
    x = 6,278,897,749.71/115,210.65
  6. Step 6: Final answer
    x = 54,499.28

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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.