Home / 178,979.48-246,986.46-98,406.92

Finding the Fourth Proportional to 178,979.48, 246,986.46 and 98,406.92

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Solution

The fourth proportional to 178,979.48, 246,986.46 and 98,406.92 is: 135,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,979.48 : 246,986.46 = 98,406.92 : x
  2. Step 2: Convert to fraction form
    178,979.48/246,986.46 = 98,406.92/x
  3. Step 3: Cross multiply
    178,979.48x = 246,986.46 × 98,406.92
  4. Step 4: Simplify right side
    178,979.48x = 24,305,176,810.30
  5. Step 5: Solve for x
    x = 24,305,176,810.30/178,979.48
  6. Step 6: Final answer
    x = 135,798.68

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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.