Home / 235,143.20-324,498.32-127,715.04

Finding the Fourth Proportional to 235,143.20, 324,498.32 and 127,715.04

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Solution

The fourth proportional to 235,143.20, 324,498.32 and 127,715.04 is: 176,247.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,143.20 : 324,498.32 = 127,715.04 : x
  2. Step 2: Convert to fraction form
    235,143.20/324,498.32 = 127,715.04/x
  3. Step 3: Cross multiply
    235,143.20x = 324,498.32 × 127,715.04
  4. Step 4: Simplify right side
    235,143.20x = 41,443,315,918.73
  5. Step 5: Solve for x
    x = 41,443,315,918.73/235,143.20
  6. Step 6: Final answer
    x = 176,247.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.