Home / 224,921.52-310,392.04-129,426.32

Finding the Fourth Proportional to 224,921.52, 310,392.04 and 129,426.32

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Solution

The fourth proportional to 224,921.52, 310,392.04 and 129,426.32 is: 178,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,921.52 : 310,392.04 = 129,426.32 : x
  2. Step 2: Convert to fraction form
    224,921.52/310,392.04 = 129,426.32/x
  3. Step 3: Cross multiply
    224,921.52x = 310,392.04 × 129,426.32
  4. Step 4: Simplify right side
    224,921.52x = 40,172,899,494.49
  5. Step 5: Solve for x
    x = 40,172,899,494.49/224,921.52
  6. Step 6: Final answer
    x = 178,608.52

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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.