Home / 151,123.40-226,490.70-91,896.20

Finding the Fourth Proportional to 151,123.40, 226,490.70 and 91,896.20

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Solution

The fourth proportional to 151,123.40, 226,490.70 and 91,896.20 is: 137,726.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,123.40 : 226,490.70 = 91,896.20 : x
  2. Step 2: Convert to fraction form
    151,123.40/226,490.70 = 91,896.20/x
  3. Step 3: Cross multiply
    151,123.40x = 226,490.70 × 91,896.20
  4. Step 4: Simplify right side
    151,123.40x = 20,813,634,665.34
  5. Step 5: Solve for x
    x = 20,813,634,665.34/151,123.40
  6. Step 6: Final answer
    x = 137,726.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.