Home / 151,574.09-227,426.67-81,371.39

Finding the Fourth Proportional to 151,574.09, 227,426.67 and 81,371.39

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Solution

The fourth proportional to 151,574.09, 227,426.67 and 81,371.39 is: 122,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,574.09 : 227,426.67 = 81,371.39 : x
  2. Step 2: Convert to fraction form
    151,574.09/227,426.67 = 81,371.39/x
  3. Step 3: Cross multiply
    151,574.09x = 227,426.67 × 81,371.39
  4. Step 4: Simplify right side
    151,574.09x = 18,506,023,123.84
  5. Step 5: Solve for x
    x = 18,506,023,123.84/151,574.09
  6. Step 6: Final answer
    x = 122,092.26

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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.