Home / 106,220.12-146,582.64-58,472.48

Finding the Fourth Proportional to 106,220.12, 146,582.64 and 58,472.48

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Solution

The fourth proportional to 106,220.12, 146,582.64 and 58,472.48 is: 80,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220.12 : 146,582.64 = 58,472.48 : x
  2. Step 2: Convert to fraction form
    106,220.12/146,582.64 = 58,472.48/x
  3. Step 3: Cross multiply
    106,220.12x = 146,582.64 × 58,472.48
  4. Step 4: Simplify right side
    106,220.12x = 8,571,050,485.75
  5. Step 5: Solve for x
    x = 8,571,050,485.75/106,220.12
  6. Step 6: Final answer
    x = 80,691.40

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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.