Home / 185,346.55-255,778.50-100,463.59

Finding the Fourth Proportional to 185,346.55, 255,778.50 and 100,463.59

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Solution

The fourth proportional to 185,346.55, 255,778.50 and 100,463.59 is: 138,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,346.55 : 255,778.50 = 100,463.59 : x
  2. Step 2: Convert to fraction form
    185,346.55/255,778.50 = 100,463.59/x
  3. Step 3: Cross multiply
    185,346.55x = 255,778.50 × 100,463.59
  4. Step 4: Simplify right side
    185,346.55x = 25,696,425,852.50
  5. Step 5: Solve for x
    x = 25,696,425,852.50/185,346.55
  6. Step 6: Final answer
    x = 138,639.89

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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.