Home / 117,855.26-176,549.61-103,080.86

Finding the Fourth Proportional to 117,855.26, 176,549.61 and 103,080.86

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Solution

The fourth proportional to 117,855.26, 176,549.61 and 103,080.86 is: 154,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,855.26 : 176,549.61 = 103,080.86 : x
  2. Step 2: Convert to fraction form
    117,855.26/176,549.61 = 103,080.86/x
  3. Step 3: Cross multiply
    117,855.26x = 176,549.61 × 103,080.86
  4. Step 4: Simplify right side
    117,855.26x = 18,198,885,631.46
  5. Step 5: Solve for x
    x = 18,198,885,631.46/117,855.26
  6. Step 6: Final answer
    x = 154,417.25

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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.