Home / 185,129.17-255,478.23-100,246.24

Finding the Fourth Proportional to 185,129.17, 255,478.23 and 100,246.24

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Solution

The fourth proportional to 185,129.17, 255,478.23 and 100,246.24 is: 138,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,129.17 : 255,478.23 = 100,246.24 : x
  2. Step 2: Convert to fraction form
    185,129.17/255,478.23 = 100,246.24/x
  3. Step 3: Cross multiply
    185,129.17x = 255,478.23 × 100,246.24
  4. Step 4: Simplify right side
    185,129.17x = 25,610,731,959.36
  5. Step 5: Solve for x
    x = 25,610,731,959.36/185,129.17
  6. Step 6: Final answer
    x = 138,339.80

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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.