Home / 103,197.52-142,304.44-76,396.24

Finding the Fourth Proportional to 103,197.52, 142,304.44 and 76,396.24

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Solution

The fourth proportional to 103,197.52, 142,304.44 and 76,396.24 is: 105,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,197.52 : 142,304.44 = 76,396.24 : x
  2. Step 2: Convert to fraction form
    103,197.52/142,304.44 = 76,396.24/x
  3. Step 3: Cross multiply
    103,197.52x = 142,304.44 × 76,396.24
  4. Step 4: Simplify right side
    103,197.52x = 10,871,524,151.31
  5. Step 5: Solve for x
    x = 10,871,524,151.31/103,197.52
  6. Step 6: Final answer
    x = 105,346.76

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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.