Home / 154,035.40-212,451.81-132,560.86

Finding the Fourth Proportional to 154,035.40, 212,451.81 and 132,560.86

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Solution

The fourth proportional to 154,035.40, 212,451.81 and 132,560.86 is: 182,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,035.40 : 212,451.81 = 132,560.86 : x
  2. Step 2: Convert to fraction form
    154,035.40/212,451.81 = 132,560.86/x
  3. Step 3: Cross multiply
    154,035.40x = 212,451.81 × 132,560.86
  4. Step 4: Simplify right side
    154,035.40x = 28,162,794,642.16
  5. Step 5: Solve for x
    x = 28,162,794,642.16/154,035.40
  6. Step 6: Final answer
    x = 182,833.26

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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.