Home / 178,456.14-246,314.25-121,192.38

Finding the Fourth Proportional to 178,456.14, 246,314.25 and 121,192.38

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Solution

The fourth proportional to 178,456.14, 246,314.25 and 121,192.38 is: 167,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,456.14 : 246,314.25 = 121,192.38 : x
  2. Step 2: Convert to fraction form
    178,456.14/246,314.25 = 121,192.38/x
  3. Step 3: Cross multiply
    178,456.14x = 246,314.25 × 121,192.38
  4. Step 4: Simplify right side
    178,456.14x = 29,851,410,185.42
  5. Step 5: Solve for x
    x = 29,851,410,185.42/178,456.14
  6. Step 6: Final answer
    x = 167,275.89

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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.