Home / 454,198.60-681,403.45-154,681.78

Finding the Fourth Proportional to 454,198.60, 681,403.45 and 154,681.78

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Solution

The fourth proportional to 454,198.60, 681,403.45 and 154,681.78 is: 232,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,198.60 : 681,403.45 = 154,681.78 : x
  2. Step 2: Convert to fraction form
    454,198.60/681,403.45 = 154,681.78/x
  3. Step 3: Cross multiply
    454,198.60x = 681,403.45 × 154,681.78
  4. Step 4: Simplify right side
    454,198.60x = 105,400,698,544.14
  5. Step 5: Solve for x
    x = 105,400,698,544.14/454,198.60
  6. Step 6: Final answer
    x = 232,058.62

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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.