Home / 134,787.12-202,180.65-41,280.72

Finding the Fourth Proportional to 134,787.12, 202,180.65 and 41,280.72

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Solution

The fourth proportional to 134,787.12, 202,180.65 and 41,280.72 is: 61,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,787.12 : 202,180.65 = 41,280.72 : x
  2. Step 2: Convert to fraction form
    134,787.12/202,180.65 = 41,280.72/x
  3. Step 3: Cross multiply
    134,787.12x = 202,180.65 × 41,280.72
  4. Step 4: Simplify right side
    134,787.12x = 8,346,162,802.07
  5. Step 5: Solve for x
    x = 8,346,162,802.07/134,787.12
  6. Step 6: Final answer
    x = 61,921.07

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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.