Home / 146,785.35-202,560.34-86,359.87

Finding the Fourth Proportional to 146,785.35, 202,560.34 and 86,359.87

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Solution

The fourth proportional to 146,785.35, 202,560.34 and 86,359.87 is: 119,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,785.35 : 202,560.34 = 86,359.87 : x
  2. Step 2: Convert to fraction form
    146,785.35/202,560.34 = 86,359.87/x
  3. Step 3: Cross multiply
    146,785.35x = 202,560.34 × 86,359.87
  4. Step 4: Simplify right side
    146,785.35x = 17,493,084,197.76
  5. Step 5: Solve for x
    x = 17,493,084,197.76/146,785.35
  6. Step 6: Final answer
    x = 119,174.60

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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.