Home / 454,208.16-681,417.75-154,691.29

Finding the Fourth Proportional to 454,208.16, 681,417.75 and 154,691.29

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Solution

The fourth proportional to 454,208.16, 681,417.75 and 154,691.29 is: 232,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,208.16 : 681,417.75 = 154,691.29 : x
  2. Step 2: Convert to fraction form
    454,208.16/681,417.75 = 154,691.29/x
  3. Step 3: Cross multiply
    454,208.16x = 681,417.75 × 154,691.29
  4. Step 4: Simplify right side
    454,208.16x = 105,409,391,338.12
  5. Step 5: Solve for x
    x = 105,409,391,338.12/454,208.16
  6. Step 6: Final answer
    x = 232,072.87

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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.