Home / 134,776.10-202,164.15-103,672.10

Finding the Fourth Proportional to 134,776.10, 202,164.15 and 103,672.10

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Solution

The fourth proportional to 134,776.10, 202,164.15 and 103,672.10 is: 155,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,776.10 : 202,164.15 = 103,672.10 : x
  2. Step 2: Convert to fraction form
    134,776.10/202,164.15 = 103,672.10/x
  3. Step 3: Cross multiply
    134,776.10x = 202,164.15 × 103,672.10
  4. Step 4: Simplify right side
    134,776.10x = 20,958,781,975.22
  5. Step 5: Solve for x
    x = 20,958,781,975.22/134,776.10
  6. Step 6: Final answer
    x = 155,508.15

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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.