Home / 173,685.20-239,561.16-106,638.80

Finding the Fourth Proportional to 173,685.20, 239,561.16 and 106,638.80

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Solution

The fourth proportional to 173,685.20, 239,561.16 and 106,638.80 is: 147,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,685.20 : 239,561.16 = 106,638.80 : x
  2. Step 2: Convert to fraction form
    173,685.20/239,561.16 = 106,638.80/x
  3. Step 3: Cross multiply
    173,685.20x = 239,561.16 × 106,638.80
  4. Step 4: Simplify right side
    173,685.20x = 25,546,514,629.01
  5. Step 5: Solve for x
    x = 25,546,514,629.01/173,685.20
  6. Step 6: Final answer
    x = 147,085.16

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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.