Home / 454,715.27-681,885.24-155,220.00

Finding the Fourth Proportional to 454,715.27, 681,885.24 and 155,220.00

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Solution

The fourth proportional to 454,715.27, 681,885.24 and 155,220.00 is: 232,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,715.27 : 681,885.24 = 155,220.00 : x
  2. Step 2: Convert to fraction form
    454,715.27/681,885.24 = 155,220.00/x
  3. Step 3: Cross multiply
    454,715.27x = 681,885.24 × 155,220.00
  4. Step 4: Simplify right side
    454,715.27x = 105,842,223,813.66
  5. Step 5: Solve for x
    x = 105,842,223,813.66/454,715.27
  6. Step 6: Final answer
    x = 232,765.93

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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.