Home / 126,895.48-175,305.36-83,390.92

Finding the Fourth Proportional to 126,895.48, 175,305.36 and 83,390.92

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Solution

The fourth proportional to 126,895.48, 175,305.36 and 83,390.92 is: 115,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,895.48 : 175,305.36 = 83,390.92 : x
  2. Step 2: Convert to fraction form
    126,895.48/175,305.36 = 83,390.92/x
  3. Step 3: Cross multiply
    126,895.48x = 175,305.36 × 83,390.92
  4. Step 4: Simplify right side
    126,895.48x = 14,618,875,251.33
  5. Step 5: Solve for x
    x = 14,618,875,251.33/126,895.48
  6. Step 6: Final answer
    x = 115,204.07

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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.