Home / 218,025.64-300,876.58-127,386.92

Finding the Fourth Proportional to 218,025.64, 300,876.58 and 127,386.92

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Solution

The fourth proportional to 218,025.64, 300,876.58 and 127,386.92 is: 175,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,025.64 : 300,876.58 = 127,386.92 : x
  2. Step 2: Convert to fraction form
    218,025.64/300,876.58 = 127,386.92/x
  3. Step 3: Cross multiply
    218,025.64x = 300,876.58 × 127,386.92
  4. Step 4: Simplify right side
    218,025.64x = 38,327,740,826.33
  5. Step 5: Solve for x
    x = 38,327,740,826.33/218,025.64
  6. Step 6: Final answer
    x = 175,794.65

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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.