Home / 222,184.45-306,606.95-126,721.90

Finding the Fourth Proportional to 222,184.45, 306,606.95 and 126,721.90

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Solution

The fourth proportional to 222,184.45, 306,606.95 and 126,721.90 is: 174,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,184.45 : 306,606.95 = 126,721.90 : x
  2. Step 2: Convert to fraction form
    222,184.45/306,606.95 = 126,721.90/x
  3. Step 3: Cross multiply
    222,184.45x = 306,606.95 × 126,721.90
  4. Step 4: Simplify right side
    222,184.45x = 38,853,813,724.17
  5. Step 5: Solve for x
    x = 38,853,813,724.17/222,184.45
  6. Step 6: Final answer
    x = 174,871.89

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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.