Home / 172,514.75-238,053.66-127,217.12

Finding the Fourth Proportional to 172,514.75, 238,053.66 and 127,217.12

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Solution

The fourth proportional to 172,514.75, 238,053.66 and 127,217.12 is: 175,547.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,514.75 : 238,053.66 = 127,217.12 : x
  2. Step 2: Convert to fraction form
    172,514.75/238,053.66 = 127,217.12/x
  3. Step 3: Cross multiply
    172,514.75x = 238,053.66 × 127,217.12
  4. Step 4: Simplify right side
    172,514.75x = 30,284,501,030.66
  5. Step 5: Solve for x
    x = 30,284,501,030.66/172,514.75
  6. Step 6: Final answer
    x = 175,547.31

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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.