Home / 146,632.48-219,941.43-85,876.90

Finding the Fourth Proportional to 146,632.48, 219,941.43 and 85,876.90

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Solution

The fourth proportional to 146,632.48, 219,941.43 and 85,876.90 is: 128,811.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,632.48 : 219,941.43 = 85,876.90 : x
  2. Step 2: Convert to fraction form
    146,632.48/219,941.43 = 85,876.90/x
  3. Step 3: Cross multiply
    146,632.48x = 219,941.43 × 85,876.90
  4. Step 4: Simplify right side
    146,632.48x = 18,887,887,318.08
  5. Step 5: Solve for x
    x = 18,887,887,318.08/146,632.48
  6. Step 6: Final answer
    x = 128,811.07

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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.