Home / 134,832.20-202,189.98-103,689.32

Finding the Fourth Proportional to 134,832.20, 202,189.98 and 103,689.32

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Solution

The fourth proportional to 134,832.20, 202,189.98 and 103,689.32 is: 155,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,832.20 : 202,189.98 = 103,689.32 : x
  2. Step 2: Convert to fraction form
    134,832.20/202,189.98 = 103,689.32/x
  3. Step 3: Cross multiply
    134,832.20x = 202,189.98 × 103,689.32
  4. Step 4: Simplify right side
    134,832.20x = 20,964,941,537.01
  5. Step 5: Solve for x
    x = 20,964,941,537.01/134,832.20
  6. Step 6: Final answer
    x = 155,489.13

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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.