Home / 454,087.38-681,123.72-154,776.36

Finding the Fourth Proportional to 454,087.38, 681,123.72 and 154,776.36

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Solution

The fourth proportional to 454,087.38, 681,123.72 and 154,776.36 is: 232,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,087.38 : 681,123.72 = 154,776.36 : x
  2. Step 2: Convert to fraction form
    454,087.38/681,123.72 = 154,776.36/x
  3. Step 3: Cross multiply
    454,087.38x = 681,123.72 × 154,776.36
  4. Step 4: Simplify right side
    454,087.38x = 105,421,850,091.26
  5. Step 5: Solve for x
    x = 105,421,850,091.26/454,087.38
  6. Step 6: Final answer
    x = 232,162.03

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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.