Home / 163,429.14-225,524.61-90,828.66

Finding the Fourth Proportional to 163,429.14, 225,524.61 and 90,828.66

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Solution

The fourth proportional to 163,429.14, 225,524.61 and 90,828.66 is: 125,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,429.14 : 225,524.61 = 90,828.66 : x
  2. Step 2: Convert to fraction form
    163,429.14/225,524.61 = 90,828.66/x
  3. Step 3: Cross multiply
    163,429.14x = 225,524.61 × 90,828.66
  4. Step 4: Simplify right side
    163,429.14x = 20,484,098,123.32
  5. Step 5: Solve for x
    x = 20,484,098,123.32/163,429.14
  6. Step 6: Final answer
    x = 125,339.33

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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.