Home / 103,190.13-142,403.94-60,168.45

Finding the Fourth Proportional to 103,190.13, 142,403.94 and 60,168.45

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Solution

The fourth proportional to 103,190.13, 142,403.94 and 60,168.45 is: 83,033.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,190.13 : 142,403.94 = 60,168.45 : x
  2. Step 2: Convert to fraction form
    103,190.13/142,403.94 = 60,168.45/x
  3. Step 3: Cross multiply
    103,190.13x = 142,403.94 × 60,168.45
  4. Step 4: Simplify right side
    103,190.13x = 8,568,224,343.69
  5. Step 5: Solve for x
    x = 8,568,224,343.69/103,190.13
  6. Step 6: Final answer
    x = 83,033.37

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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.