Home / 185,382.96-255,828.77-100,500.03

Finding the Fourth Proportional to 185,382.96, 255,828.77 and 100,500.03

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Solution

The fourth proportional to 185,382.96, 255,828.77 and 100,500.03 is: 138,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,382.96 : 255,828.77 = 100,500.03 : x
  2. Step 2: Convert to fraction form
    185,382.96/255,828.77 = 100,500.03/x
  3. Step 3: Cross multiply
    185,382.96x = 255,828.77 × 100,500.03
  4. Step 4: Simplify right side
    185,382.96x = 25,710,799,059.86
  5. Step 5: Solve for x
    x = 25,710,799,059.86/185,382.96
  6. Step 6: Final answer
    x = 138,690.20

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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.