Home / 225,987.20-311,851.84-124,010.16

Finding the Fourth Proportional to 225,987.20, 311,851.84 and 124,010.16

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Solution

The fourth proportional to 225,987.20, 311,851.84 and 124,010.16 is: 171,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,987.20 : 311,851.84 = 124,010.16 : x
  2. Step 2: Convert to fraction form
    225,987.20/311,851.84 = 124,010.16/x
  3. Step 3: Cross multiply
    225,987.20x = 311,851.84 × 124,010.16
  4. Step 4: Simplify right side
    225,987.20x = 38,672,796,574.69
  5. Step 5: Solve for x
    x = 38,672,796,574.69/225,987.20
  6. Step 6: Final answer
    x = 171,128.26

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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.