Home / 153,925.39-212,414.83-85,943.43

Finding the Fourth Proportional to 153,925.39, 212,414.83 and 85,943.43

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Solution

The fourth proportional to 153,925.39, 212,414.83 and 85,943.43 is: 118,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,925.39 : 212,414.83 = 85,943.43 : x
  2. Step 2: Convert to fraction form
    153,925.39/212,414.83 = 85,943.43/x
  3. Step 3: Cross multiply
    153,925.39x = 212,414.83 × 85,943.43
  4. Step 4: Simplify right side
    153,925.39x = 18,255,659,099.92
  5. Step 5: Solve for x
    x = 18,255,659,099.92/153,925.39
  6. Step 6: Final answer
    x = 118,600.70

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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.