Home / 115,157.22-172,700.96-40,263.40

Finding the Fourth Proportional to 115,157.22, 172,700.96 and 40,263.40

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Solution

The fourth proportional to 115,157.22, 172,700.96 and 40,263.40 is: 60,382.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,157.22 : 172,700.96 = 40,263.40 : x
  2. Step 2: Convert to fraction form
    115,157.22/172,700.96 = 40,263.40/x
  3. Step 3: Cross multiply
    115,157.22x = 172,700.96 × 40,263.40
  4. Step 4: Simplify right side
    115,157.22x = 6,953,527,631.55
  5. Step 5: Solve for x
    x = 6,953,527,631.55/115,157.22
  6. Step 6: Final answer
    x = 60,382.91

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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.