Home / 225,606.18-311,336.54-125,004.18

Finding the Fourth Proportional to 225,606.18, 311,336.54 and 125,004.18

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Solution

The fourth proportional to 225,606.18, 311,336.54 and 125,004.18 is: 172,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,606.18 : 311,336.54 = 125,004.18 : x
  2. Step 2: Convert to fraction form
    225,606.18/311,336.54 = 125,004.18/x
  3. Step 3: Cross multiply
    225,606.18x = 311,336.54 × 125,004.18
  4. Step 4: Simplify right side
    225,606.18x = 38,918,368,886.74
  5. Step 5: Solve for x
    x = 38,918,368,886.74/225,606.18
  6. Step 6: Final answer
    x = 172,505.77

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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.