Home / 142,182.48-213,122.16-107,013.36

Finding the Fourth Proportional to 142,182.48, 213,122.16 and 107,013.36

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Solution

The fourth proportional to 142,182.48, 213,122.16 and 107,013.36 is: 160,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,182.48 : 213,122.16 = 107,013.36 : x
  2. Step 2: Convert to fraction form
    142,182.48/213,122.16 = 107,013.36/x
  3. Step 3: Cross multiply
    142,182.48x = 213,122.16 × 107,013.36
  4. Step 4: Simplify right side
    142,182.48x = 22,806,918,432.06
  5. Step 5: Solve for x
    x = 22,806,918,432.06/142,182.48
  6. Step 6: Final answer
    x = 160,405.97

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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.