Home / 155,085.11-232,479.92-49,830.20

Finding the Fourth Proportional to 155,085.11, 232,479.92 and 49,830.20

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Solution

The fourth proportional to 155,085.11, 232,479.92 and 49,830.20 is: 74,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,085.11 : 232,479.92 = 49,830.20 : x
  2. Step 2: Convert to fraction form
    155,085.11/232,479.92 = 49,830.20/x
  3. Step 3: Cross multiply
    155,085.11x = 232,479.92 × 49,830.20
  4. Step 4: Simplify right side
    155,085.11x = 11,584,519,871.76
  5. Step 5: Solve for x
    x = 11,584,519,871.76/155,085.11
  6. Step 6: Final answer
    x = 74,697.82

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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.