Home / 126,356.38-174,308.88-75,333.19

Finding the Fourth Proportional to 126,356.38, 174,308.88 and 75,333.19

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Solution

The fourth proportional to 126,356.38, 174,308.88 and 75,333.19 is: 103,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,356.38 : 174,308.88 = 75,333.19 : x
  2. Step 2: Convert to fraction form
    126,356.38/174,308.88 = 75,333.19/x
  3. Step 3: Cross multiply
    126,356.38x = 174,308.88 × 75,333.19
  4. Step 4: Simplify right side
    126,356.38x = 13,131,243,975.73
  5. Step 5: Solve for x
    x = 13,131,243,975.73/126,356.38
  6. Step 6: Final answer
    x = 103,922.29

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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.