Home / 146,141.55-201,695.67-85,731.75

Finding the Fourth Proportional to 146,141.55, 201,695.67 and 85,731.75

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Solution

The fourth proportional to 146,141.55, 201,695.67 and 85,731.75 is: 118,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,141.55 : 201,695.67 = 85,731.75 : x
  2. Step 2: Convert to fraction form
    146,141.55/201,695.67 = 85,731.75/x
  3. Step 3: Cross multiply
    146,141.55x = 201,695.67 × 85,731.75
  4. Step 4: Simplify right side
    146,141.55x = 17,291,722,756.52
  5. Step 5: Solve for x
    x = 17,291,722,756.52/146,141.55
  6. Step 6: Final answer
    x = 118,321.74

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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.