Home / 176,380.53-243,443.64-108,455.95

Finding the Fourth Proportional to 176,380.53, 243,443.64 and 108,455.95

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Solution

The fourth proportional to 176,380.53, 243,443.64 and 108,455.95 is: 149,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,380.53 : 243,443.64 = 108,455.95 : x
  2. Step 2: Convert to fraction form
    176,380.53/243,443.64 = 108,455.95/x
  3. Step 3: Cross multiply
    176,380.53x = 243,443.64 × 108,455.95
  4. Step 4: Simplify right side
    176,380.53x = 26,402,911,247.66
  5. Step 5: Solve for x
    x = 26,402,911,247.66/176,380.53
  6. Step 6: Final answer
    x = 149,692.89

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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.