Home / 143,854.36-216,138.46-93,285.56

Finding the Fourth Proportional to 143,854.36, 216,138.46 and 93,285.56

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Solution

The fourth proportional to 143,854.36, 216,138.46 and 93,285.56 is: 140,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,854.36 : 216,138.46 = 93,285.56 : x
  2. Step 2: Convert to fraction form
    143,854.36/216,138.46 = 93,285.56/x
  3. Step 3: Cross multiply
    143,854.36x = 216,138.46 × 93,285.56
  4. Step 4: Simplify right side
    143,854.36x = 20,162,597,278.64
  5. Step 5: Solve for x
    x = 20,162,597,278.64/143,854.36
  6. Step 6: Final answer
    x = 140,159.79

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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.