Home / 106,194.69-146,543.09-58,438.80

Finding the Fourth Proportional to 106,194.69, 146,543.09 and 58,438.80

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Solution

The fourth proportional to 106,194.69, 146,543.09 and 58,438.80 is: 80,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,194.69 : 146,543.09 = 58,438.80 : x
  2. Step 2: Convert to fraction form
    106,194.69/146,543.09 = 58,438.80/x
  3. Step 3: Cross multiply
    106,194.69x = 146,543.09 × 58,438.80
  4. Step 4: Simplify right side
    106,194.69x = 8,563,802,035.70
  5. Step 5: Solve for x
    x = 8,563,802,035.70/106,194.69
  6. Step 6: Final answer
    x = 80,642.47

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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.