Home / 163,425.49-225,553.95-136,158.36

Finding the Fourth Proportional to 163,425.49, 225,553.95 and 136,158.36

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Solution

The fourth proportional to 163,425.49, 225,553.95 and 136,158.36 is: 187,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,425.49 : 225,553.95 = 136,158.36 : x
  2. Step 2: Convert to fraction form
    163,425.49/225,553.95 = 136,158.36/x
  3. Step 3: Cross multiply
    163,425.49x = 225,553.95 × 136,158.36
  4. Step 4: Simplify right side
    163,425.49x = 30,711,055,923.52
  5. Step 5: Solve for x
    x = 30,711,055,923.52/163,425.49
  6. Step 6: Final answer
    x = 187,920.84

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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.