Home / 178,816.21-246,874.74-118,438.61

Finding the Fourth Proportional to 178,816.21, 246,874.74 and 118,438.61

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Solution

The fourth proportional to 178,816.21, 246,874.74 and 118,438.61 is: 163,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,816.21 : 246,874.74 = 118,438.61 : x
  2. Step 2: Convert to fraction form
    178,816.21/246,874.74 = 118,438.61/x
  3. Step 3: Cross multiply
    178,816.21x = 246,874.74 × 118,438.61
  4. Step 4: Simplify right side
    178,816.21x = 29,239,499,371.19
  5. Step 5: Solve for x
    x = 29,239,499,371.19/178,816.21
  6. Step 6: Final answer
    x = 163,517.05

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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.