Home / 134,720.72-202,059.32-63,643.20

Finding the Fourth Proportional to 134,720.72, 202,059.32 and 63,643.20

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Solution

The fourth proportional to 134,720.72, 202,059.32 and 63,643.20 is: 95,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,720.72 : 202,059.32 = 63,643.20 : x
  2. Step 2: Convert to fraction form
    134,720.72/202,059.32 = 63,643.20/x
  3. Step 3: Cross multiply
    134,720.72x = 202,059.32 × 63,643.20
  4. Step 4: Simplify right side
    134,720.72x = 12,859,701,714.62
  5. Step 5: Solve for x
    x = 12,859,701,714.62/134,720.72
  6. Step 6: Final answer
    x = 95,454.52

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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.