Home / 185,912.09-256,560.31-101,029.15

Finding the Fourth Proportional to 185,912.09, 256,560.31 and 101,029.15

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Solution

The fourth proportional to 185,912.09, 256,560.31 and 101,029.15 is: 139,421.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912.09 : 256,560.31 = 101,029.15 : x
  2. Step 2: Convert to fraction form
    185,912.09/256,560.31 = 101,029.15/x
  3. Step 3: Cross multiply
    185,912.09x = 256,560.31 × 101,029.15
  4. Step 4: Simplify right side
    185,912.09x = 25,920,070,043.04
  5. Step 5: Solve for x
    x = 25,920,070,043.04/185,912.09
  6. Step 6: Final answer
    x = 139,421.11

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1.5x scale

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.