Home / 225,074.10-310,589.73-123,079.26

Finding the Fourth Proportional to 225,074.10, 310,589.73 and 123,079.26

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Solution

The fourth proportional to 225,074.10, 310,589.73 and 123,079.26 is: 169,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,074.10 : 310,589.73 = 123,079.26 : x
  2. Step 2: Convert to fraction form
    225,074.10/310,589.73 = 123,079.26/x
  3. Step 3: Cross multiply
    225,074.10x = 310,589.73 × 123,079.26
  4. Step 4: Simplify right side
    225,074.10x = 38,227,154,132.00
  5. Step 5: Solve for x
    x = 38,227,154,132.00/225,074.10
  6. Step 6: Final answer
    x = 169,842.53

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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.