Home / 222,972.16-307,701.79-127,480.86

Finding the Fourth Proportional to 222,972.16, 307,701.79 and 127,480.86

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Solution

The fourth proportional to 222,972.16, 307,701.79 and 127,480.86 is: 175,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,972.16 : 307,701.79 = 127,480.86 : x
  2. Step 2: Convert to fraction form
    222,972.16/307,701.79 = 127,480.86/x
  3. Step 3: Cross multiply
    222,972.16x = 307,701.79 × 127,480.86
  4. Step 4: Simplify right side
    222,972.16x = 39,226,087,592.93
  5. Step 5: Solve for x
    x = 39,226,087,592.93/222,972.16
  6. Step 6: Final answer
    x = 175,923.70

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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.