Home / 225,351.37-310,988.57-123,375.13

Finding the Fourth Proportional to 225,351.37, 310,988.57 and 123,375.13

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Solution

The fourth proportional to 225,351.37, 310,988.57 and 123,375.13 is: 170,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,351.37 : 310,988.57 = 123,375.13 : x
  2. Step 2: Convert to fraction form
    225,351.37/310,988.57 = 123,375.13/x
  3. Step 3: Cross multiply
    225,351.37x = 310,988.57 × 123,375.13
  4. Step 4: Simplify right side
    225,351.37x = 38,368,255,252.26
  5. Step 5: Solve for x
    x = 38,368,255,252.26/225,351.37
  6. Step 6: Final answer
    x = 170,259.69

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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.