Home / 135,280.77-202,920.98-54,264.36

Finding the Fourth Proportional to 135,280.77, 202,920.98 and 54,264.36

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Solution

The fourth proportional to 135,280.77, 202,920.98 and 54,264.36 is: 81,396.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,280.77 : 202,920.98 = 54,264.36 : x
  2. Step 2: Convert to fraction form
    135,280.77/202,920.98 = 54,264.36/x
  3. Step 3: Cross multiply
    135,280.77x = 202,920.98 × 54,264.36
  4. Step 4: Simplify right side
    135,280.77x = 11,011,376,838.95
  5. Step 5: Solve for x
    x = 11,011,376,838.95/135,280.77
  6. Step 6: Final answer
    x = 81,396.47

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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.