Home / 178,673.12-268,015.60-89,878.24

Finding the Fourth Proportional to 178,673.12, 268,015.60 and 89,878.24

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Solution

The fourth proportional to 178,673.12, 268,015.60 and 89,878.24 is: 134,820.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,673.12 : 268,015.60 = 89,878.24 : x
  2. Step 2: Convert to fraction form
    178,673.12/268,015.60 = 89,878.24/x
  3. Step 3: Cross multiply
    178,673.12x = 268,015.60 × 89,878.24
  4. Step 4: Simplify right side
    178,673.12x = 24,088,770,420.54
  5. Step 5: Solve for x
    x = 24,088,770,420.54/178,673.12
  6. Step 6: Final answer
    x = 134,820.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.