Home / 131,062.89-180,823.28-106,822.22

Finding the Fourth Proportional to 131,062.89, 180,823.28 and 106,822.22

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Solution

The fourth proportional to 131,062.89, 180,823.28 and 106,822.22 is: 147,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,062.89 : 180,823.28 = 106,822.22 : x
  2. Step 2: Convert to fraction form
    131,062.89/180,823.28 = 106,822.22/x
  3. Step 3: Cross multiply
    131,062.89x = 180,823.28 × 106,822.22
  4. Step 4: Simplify right side
    131,062.89x = 19,315,944,197.28
  5. Step 5: Solve for x
    x = 19,315,944,197.28/131,062.89
  6. Step 6: Final answer
    x = 147,379.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.