Home / 185,242.86-255,635.40-100,359.93

Finding the Fourth Proportional to 185,242.86, 255,635.40 and 100,359.93

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Solution

The fourth proportional to 185,242.86, 255,635.40 and 100,359.93 is: 138,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,242.86 : 255,635.40 = 100,359.93 : x
  2. Step 2: Convert to fraction form
    185,242.86/255,635.40 = 100,359.93/x
  3. Step 3: Cross multiply
    185,242.86x = 255,635.40 × 100,359.93
  4. Step 4: Simplify right side
    185,242.86x = 25,655,550,849.52
  5. Step 5: Solve for x
    x = 25,655,550,849.52/185,242.86
  6. Step 6: Final answer
    x = 138,496.84

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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.