Home / 117,822.30-176,666.52-80,427.66

Finding the Fourth Proportional to 117,822.30, 176,666.52 and 80,427.66

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Solution

The fourth proportional to 117,822.30, 176,666.52 and 80,427.66 is: 120,595.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,822.30 : 176,666.52 = 80,427.66 : x
  2. Step 2: Convert to fraction form
    117,822.30/176,666.52 = 80,427.66/x
  3. Step 3: Cross multiply
    117,822.30x = 176,666.52 × 80,427.66
  4. Step 4: Simplify right side
    117,822.30x = 14,208,874,803.94
  5. Step 5: Solve for x
    x = 14,208,874,803.94/117,822.30
  6. Step 6: Final answer
    x = 120,595.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.