Home / 268,541.08-402,811.62-127,873.24

Finding the Fourth Proportional to 268,541.08, 402,811.62 and 127,873.24

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Solution

The fourth proportional to 268,541.08, 402,811.62 and 127,873.24 is: 191,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,541.08 : 402,811.62 = 127,873.24 : x
  2. Step 2: Convert to fraction form
    268,541.08/402,811.62 = 127,873.24/x
  3. Step 3: Cross multiply
    268,541.08x = 402,811.62 × 127,873.24
  4. Step 4: Simplify right side
    268,541.08x = 51,508,826,959.05
  5. Step 5: Solve for x
    x = 51,508,826,959.05/268,541.08
  6. Step 6: Final answer
    x = 191,809.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.