Home / 117,616.04-176,427.30-28,869.20

Finding the Fourth Proportional to 117,616.04, 176,427.30 and 28,869.20

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Solution

The fourth proportional to 117,616.04, 176,427.30 and 28,869.20 is: 43,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,616.04 : 176,427.30 = 28,869.20 : x
  2. Step 2: Convert to fraction form
    117,616.04/176,427.30 = 28,869.20/x
  3. Step 3: Cross multiply
    117,616.04x = 176,427.30 × 28,869.20
  4. Step 4: Simplify right side
    117,616.04x = 5,093,315,009.16
  5. Step 5: Solve for x
    x = 5,093,315,009.16/117,616.04
  6. Step 6: Final answer
    x = 43,304.60

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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.