Home / 119,673.02-179,340.04-66,388.28

Finding the Fourth Proportional to 119,673.02, 179,340.04 and 66,388.28

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Solution

The fourth proportional to 119,673.02, 179,340.04 and 66,388.28 is: 99,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,673.02 : 179,340.04 = 66,388.28 : x
  2. Step 2: Convert to fraction form
    119,673.02/179,340.04 = 66,388.28/x
  3. Step 3: Cross multiply
    119,673.02x = 179,340.04 × 66,388.28
  4. Step 4: Simplify right side
    119,673.02x = 11,906,076,790.73
  5. Step 5: Solve for x
    x = 11,906,076,790.73/119,673.02
  6. Step 6: Final answer
    x = 99,488.40

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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.