Home / 185,783.29-256,371.38-100,900.15

Finding the Fourth Proportional to 185,783.29, 256,371.38 and 100,900.15

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Solution

The fourth proportional to 185,783.29, 256,371.38 and 100,900.15 is: 139,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,783.29 : 256,371.38 = 100,900.15 : x
  2. Step 2: Convert to fraction form
    185,783.29/256,371.38 = 100,900.15/x
  3. Step 3: Cross multiply
    185,783.29x = 256,371.38 × 100,900.15
  4. Step 4: Simplify right side
    185,783.29x = 25,867,909,930.65
  5. Step 5: Solve for x
    x = 25,867,909,930.65/185,783.29
  6. Step 6: Final answer
    x = 139,237.01

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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.