Home / 261,554.50-391,774.92-197,670.88

Finding the Fourth Proportional to 261,554.50, 391,774.92 and 197,670.88

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Solution

The fourth proportional to 261,554.50, 391,774.92 and 197,670.88 is: 296,085.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,554.50 : 391,774.92 = 197,670.88 : x
  2. Step 2: Convert to fraction form
    261,554.50/391,774.92 = 197,670.88/x
  3. Step 3: Cross multiply
    261,554.50x = 391,774.92 × 197,670.88
  4. Step 4: Simplify right side
    261,554.50x = 77,442,493,198.33
  5. Step 5: Solve for x
    x = 77,442,493,198.33/261,554.50
  6. Step 6: Final answer
    x = 296,085.49

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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.