Home / 356,154.60-491,499-195,006.84

Finding the Fourth Proportional to 356,154.60, 491,499 and 195,006.84

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Solution

The fourth proportional to 356,154.60, 491,499 and 195,006.84 is: 269,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,154.60 : 491,499 = 195,006.84 : x
  2. Step 2: Convert to fraction form
    356,154.60/491,499 = 195,006.84/x
  3. Step 3: Cross multiply
    356,154.60x = 491,499 × 195,006.84
  4. Step 4: Simplify right side
    356,154.60x = 95,845,666,853.16
  5. Step 5: Solve for x
    x = 95,845,666,853.16/356,154.60
  6. Step 6: Final answer
    x = 269,112.53

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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.