Home / 203,382.34-280,572.70-127,972.42

Finding the Fourth Proportional to 203,382.34, 280,572.70 and 127,972.42

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Solution

The fourth proportional to 203,382.34, 280,572.70 and 127,972.42 is: 176,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,382.34 : 280,572.70 = 127,972.42 : x
  2. Step 2: Convert to fraction form
    203,382.34/280,572.70 = 127,972.42/x
  3. Step 3: Cross multiply
    203,382.34x = 280,572.70 × 127,972.42
  4. Step 4: Simplify right side
    203,382.34x = 35,905,565,362.21
  5. Step 5: Solve for x
    x = 35,905,565,362.21/203,382.34
  6. Step 6: Final answer
    x = 176,542.20

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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.