Home / 115,089.30-172,454.88-43,973.13

Finding the Fourth Proportional to 115,089.30, 172,454.88 and 43,973.13

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Solution

The fourth proportional to 115,089.30, 172,454.88 and 43,973.13 is: 65,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,089.30 : 172,454.88 = 43,973.13 : x
  2. Step 2: Convert to fraction form
    115,089.30/172,454.88 = 43,973.13/x
  3. Step 3: Cross multiply
    115,089.30x = 172,454.88 × 43,973.13
  4. Step 4: Simplify right side
    115,089.30x = 7,583,380,857.37
  5. Step 5: Solve for x
    x = 7,583,380,857.37/115,089.30
  6. Step 6: Final answer
    x = 65,891.28

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1.5x scale

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.