Home / 454,061.10-681,237.45-201,243.90

Finding the Fourth Proportional to 454,061.10, 681,237.45 and 201,243.90

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Solution

The fourth proportional to 454,061.10, 681,237.45 and 201,243.90 is: 301,930.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,061.10 : 681,237.45 = 201,243.90 : x
  2. Step 2: Convert to fraction form
    454,061.10/681,237.45 = 201,243.90/x
  3. Step 3: Cross multiply
    454,061.10x = 681,237.45 × 201,243.90
  4. Step 4: Simplify right side
    454,061.10x = 137,094,881,264.06
  5. Step 5: Solve for x
    x = 137,094,881,264.06/454,061.10
  6. Step 6: Final answer
    x = 301,930.47

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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.