Home / 225,389.66-311,023.97-123,416.33

Finding the Fourth Proportional to 225,389.66, 311,023.97 and 123,416.33

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Solution

The fourth proportional to 225,389.66, 311,023.97 and 123,416.33 is: 170,307.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,389.66 : 311,023.97 = 123,416.33 : x
  2. Step 2: Convert to fraction form
    225,389.66/311,023.97 = 123,416.33/x
  3. Step 3: Cross multiply
    225,389.66x = 311,023.97 × 123,416.33
  4. Step 4: Simplify right side
    225,389.66x = 38,385,435,210.04
  5. Step 5: Solve for x
    x = 38,385,435,210.04/225,389.66
  6. Step 6: Final answer
    x = 170,307.00

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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.