Home / 151,519.40-225,490.10-146,473.80

Finding the Fourth Proportional to 151,519.40, 225,490.10 and 146,473.80

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Solution

The fourth proportional to 151,519.40, 225,490.10 and 146,473.80 is: 217,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,519.40 : 225,490.10 = 146,473.80 : x
  2. Step 2: Convert to fraction form
    151,519.40/225,490.10 = 146,473.80/x
  3. Step 3: Cross multiply
    151,519.40x = 225,490.10 × 146,473.80
  4. Step 4: Simplify right side
    151,519.40x = 33,028,391,809.38
  5. Step 5: Solve for x
    x = 33,028,391,809.38/151,519.40
  6. Step 6: Final answer
    x = 217,981.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.