Home / 177,324.50-266,036.75-72,218.90

Finding the Fourth Proportional to 177,324.50, 266,036.75 and 72,218.90

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Solution

The fourth proportional to 177,324.50, 266,036.75 and 72,218.90 is: 108,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,324.50 : 266,036.75 = 72,218.90 : x
  2. Step 2: Convert to fraction form
    177,324.50/266,036.75 = 72,218.90/x
  3. Step 3: Cross multiply
    177,324.50x = 266,036.75 × 72,218.90
  4. Step 4: Simplify right side
    177,324.50x = 19,212,881,444.58
  5. Step 5: Solve for x
    x = 19,212,881,444.58/177,324.50
  6. Step 6: Final answer
    x = 108,348.71

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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.