Home / 225,192.17-310,765.03-123,218.30

Finding the Fourth Proportional to 225,192.17, 310,765.03 and 123,218.30

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Solution

The fourth proportional to 225,192.17, 310,765.03 and 123,218.30 is: 170,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,192.17 : 310,765.03 = 123,218.30 : x
  2. Step 2: Convert to fraction form
    225,192.17/310,765.03 = 123,218.30/x
  3. Step 3: Cross multiply
    225,192.17x = 310,765.03 × 123,218.30
  4. Step 4: Simplify right side
    225,192.17x = 38,291,938,696.05
  5. Step 5: Solve for x
    x = 38,291,938,696.05/225,192.17
  6. Step 6: Final answer
    x = 170,041.16

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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.