Home / 118,085.12-176,344.97-103,777.28

Finding the Fourth Proportional to 118,085.12, 176,344.97 and 103,777.28

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Solution

The fourth proportional to 118,085.12, 176,344.97 and 103,777.28 is: 154,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,085.12 : 176,344.97 = 103,777.28 : x
  2. Step 2: Convert to fraction form
    118,085.12/176,344.97 = 103,777.28/x
  3. Step 3: Cross multiply
    118,085.12x = 176,344.97 × 103,777.28
  4. Step 4: Simplify right side
    118,085.12x = 18,300,600,809.40
  5. Step 5: Solve for x
    x = 18,300,600,809.40/118,085.12
  6. Step 6: Final answer
    x = 154,978.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.