Home / 178,990.12-246,951.66-117,718.84

Finding the Fourth Proportional to 178,990.12, 246,951.66 and 117,718.84

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Solution

The fourth proportional to 178,990.12, 246,951.66 and 117,718.84 is: 162,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,990.12 : 246,951.66 = 117,718.84 : x
  2. Step 2: Convert to fraction form
    178,990.12/246,951.66 = 117,718.84/x
  3. Step 3: Cross multiply
    178,990.12x = 246,951.66 × 117,718.84
  4. Step 4: Simplify right side
    178,990.12x = 29,070,862,951.27
  5. Step 5: Solve for x
    x = 29,070,862,951.27/178,990.12
  6. Step 6: Final answer
    x = 162,416.02

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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.