Home / 106,403.74-146,838.15-58,658.80

Finding the Fourth Proportional to 106,403.74, 146,838.15 and 58,658.80

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Solution

The fourth proportional to 106,403.74, 146,838.15 and 58,658.80 is: 80,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,403.74 : 146,838.15 = 58,658.80 : x
  2. Step 2: Convert to fraction form
    106,403.74/146,838.15 = 58,658.80/x
  3. Step 3: Cross multiply
    106,403.74x = 146,838.15 × 58,658.80
  4. Step 4: Simplify right side
    106,403.74x = 8,613,349,581.45
  5. Step 5: Solve for x
    x = 8,613,349,581.45/106,403.74
  6. Step 6: Final answer
    x = 80,949.69

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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.