Home / 308,070.32-425,132.33-172,106.24

Finding the Fourth Proportional to 308,070.32, 425,132.33 and 172,106.24

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Solution

The fourth proportional to 308,070.32, 425,132.33 and 172,106.24 is: 237,503.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,070.32 : 425,132.33 = 172,106.24 : x
  2. Step 2: Convert to fraction form
    308,070.32/425,132.33 = 172,106.24/x
  3. Step 3: Cross multiply
    308,070.32x = 425,132.33 × 172,106.24
  4. Step 4: Simplify right side
    308,070.32x = 73,167,923,832.55
  5. Step 5: Solve for x
    x = 73,167,923,832.55/308,070.32
  6. Step 6: Final answer
    x = 237,503.97

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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.