Home / 105,505.28-158,207.16-35,335.52

Finding the Fourth Proportional to 105,505.28, 158,207.16 and 35,335.52

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Solution

The fourth proportional to 105,505.28, 158,207.16 and 35,335.52 is: 52,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,505.28 : 158,207.16 = 35,335.52 : x
  2. Step 2: Convert to fraction form
    105,505.28/158,207.16 = 35,335.52/x
  3. Step 3: Cross multiply
    105,505.28x = 158,207.16 × 35,335.52
  4. Step 4: Simplify right side
    105,505.28x = 5,590,332,266.32
  5. Step 5: Solve for x
    x = 5,590,332,266.32/105,505.28
  6. Step 6: Final answer
    x = 52,986.28

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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.