Home / 225,215.06-310,796.76-123,240.52

Finding the Fourth Proportional to 225,215.06, 310,796.76 and 123,240.52

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Solution

The fourth proportional to 225,215.06, 310,796.76 and 123,240.52 is: 170,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,215.06 : 310,796.76 = 123,240.52 : x
  2. Step 2: Convert to fraction form
    225,215.06/310,796.76 = 123,240.52/x
  3. Step 3: Cross multiply
    225,215.06x = 310,796.76 × 123,240.52
  4. Step 4: Simplify right side
    225,215.06x = 38,302,755,167.36
  5. Step 5: Solve for x
    x = 38,302,755,167.36/225,215.06
  6. Step 6: Final answer
    x = 170,071.91

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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.