Home / 154,685.24-231,568.56-84,351.32

Finding the Fourth Proportional to 154,685.24, 231,568.56 and 84,351.32

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Solution

The fourth proportional to 154,685.24, 231,568.56 and 84,351.32 is: 126,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,685.24 : 231,568.56 = 84,351.32 : x
  2. Step 2: Convert to fraction form
    154,685.24/231,568.56 = 84,351.32/x
  3. Step 3: Cross multiply
    154,685.24x = 231,568.56 × 84,351.32
  4. Step 4: Simplify right side
    154,685.24x = 19,533,113,706.50
  5. Step 5: Solve for x
    x = 19,533,113,706.50/154,685.24
  6. Step 6: Final answer
    x = 126,276.52

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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.