Home / 288,344.68-397,899.18-172,189.24

Finding the Fourth Proportional to 288,344.68, 397,899.18 and 172,189.24

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Solution

The fourth proportional to 288,344.68, 397,899.18 and 172,189.24 is: 237,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,344.68 : 397,899.18 = 172,189.24 : x
  2. Step 2: Convert to fraction form
    288,344.68/397,899.18 = 172,189.24/x
  3. Step 3: Cross multiply
    288,344.68x = 397,899.18 × 172,189.24
  4. Step 4: Simplify right side
    288,344.68x = 68,513,957,400.82
  5. Step 5: Solve for x
    x = 68,513,957,400.82/288,344.68
  6. Step 6: Final answer
    x = 237,611.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.