Home / 234,708.57-323,896.05-127,278.81

Finding the Fourth Proportional to 234,708.57, 323,896.05 and 127,278.81

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Solution

The fourth proportional to 234,708.57, 323,896.05 and 127,278.81 is: 175,643.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,708.57 : 323,896.05 = 127,278.81 : x
  2. Step 2: Convert to fraction form
    234,708.57/323,896.05 = 127,278.81/x
  3. Step 3: Cross multiply
    234,708.57x = 323,896.05 × 127,278.81
  4. Step 4: Simplify right side
    234,708.57x = 41,225,103,807.70
  5. Step 5: Solve for x
    x = 41,225,103,807.70/234,708.57
  6. Step 6: Final answer
    x = 175,643.79

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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.