Home / 153,723.05-212,236.52-96,440.92

Finding the Fourth Proportional to 153,723.05, 212,236.52 and 96,440.92

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Solution

The fourth proportional to 153,723.05, 212,236.52 and 96,440.92 is: 133,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,723.05 : 212,236.52 = 96,440.92 : x
  2. Step 2: Convert to fraction form
    153,723.05/212,236.52 = 96,440.92/x
  3. Step 3: Cross multiply
    153,723.05x = 212,236.52 × 96,440.92
  4. Step 4: Simplify right side
    153,723.05x = 20,468,285,246.40
  5. Step 5: Solve for x
    x = 20,468,285,246.40/153,723.05
  6. Step 6: Final answer
    x = 133,150.40

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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.