Home / 543,948.96-815,923.29-169,971.96

Finding the Fourth Proportional to 543,948.96, 815,923.29 and 169,971.96

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Solution

The fourth proportional to 543,948.96, 815,923.29 and 169,971.96 is: 254,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,948.96 : 815,923.29 = 169,971.96 : x
  2. Step 2: Convert to fraction form
    543,948.96/815,923.29 = 169,971.96/x
  3. Step 3: Cross multiply
    543,948.96x = 815,923.29 × 169,971.96
  4. Step 4: Simplify right side
    543,948.96x = 138,684,080,810.95
  5. Step 5: Solve for x
    x = 138,684,080,810.95/543,948.96
  6. Step 6: Final answer
    x = 254,957.89

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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.