Home / 157,585.20-217,383.39-106,530.90

Finding the Fourth Proportional to 157,585.20, 217,383.39 and 106,530.90

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Solution

The fourth proportional to 157,585.20, 217,383.39 and 106,530.90 is: 146,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,585.20 : 217,383.39 = 106,530.90 : x
  2. Step 2: Convert to fraction form
    157,585.20/217,383.39 = 106,530.90/x
  3. Step 3: Cross multiply
    157,585.20x = 217,383.39 × 106,530.90
  4. Step 4: Simplify right side
    157,585.20x = 23,158,048,181.75
  5. Step 5: Solve for x
    x = 23,158,048,181.75/157,585.20
  6. Step 6: Final answer
    x = 146,955.73

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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.