Home / 261,740.38-361,109.72-171,149.36

Finding the Fourth Proportional to 261,740.38, 361,109.72 and 171,149.36

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Solution

The fourth proportional to 261,740.38, 361,109.72 and 171,149.36 is: 236,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,740.38 : 361,109.72 = 171,149.36 : x
  2. Step 2: Convert to fraction form
    261,740.38/361,109.72 = 171,149.36/x
  3. Step 3: Cross multiply
    261,740.38x = 361,109.72 × 171,149.36
  4. Step 4: Simplify right side
    261,740.38x = 61,803,697,467.78
  5. Step 5: Solve for x
    x = 61,803,697,467.78/261,740.38
  6. Step 6: Final answer
    x = 236,125.96

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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.