Home / 168,720.30-232,829.78-92,239.65

Finding the Fourth Proportional to 168,720.30, 232,829.78 and 92,239.65

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Solution

The fourth proportional to 168,720.30, 232,829.78 and 92,239.65 is: 127,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,720.30 : 232,829.78 = 92,239.65 : x
  2. Step 2: Convert to fraction form
    168,720.30/232,829.78 = 92,239.65/x
  3. Step 3: Cross multiply
    168,720.30x = 232,829.78 × 92,239.65
  4. Step 4: Simplify right side
    168,720.30x = 21,476,136,955.58
  5. Step 5: Solve for x
    x = 21,476,136,955.58/168,720.30
  6. Step 6: Final answer
    x = 127,288.40

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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.