Home / 179,922.80-269,916.60-74,752.40

Finding the Fourth Proportional to 179,922.80, 269,916.60 and 74,752.40

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Solution

The fourth proportional to 179,922.80, 269,916.60 and 74,752.40 is: 112,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,922.80 : 269,916.60 = 74,752.40 : x
  2. Step 2: Convert to fraction form
    179,922.80/269,916.60 = 74,752.40/x
  3. Step 3: Cross multiply
    179,922.80x = 269,916.60 × 74,752.40
  4. Step 4: Simplify right side
    179,922.80x = 20,176,913,649.84
  5. Step 5: Solve for x
    x = 20,176,913,649.84/179,922.80
  6. Step 6: Final answer
    x = 112,142.06

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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.