Home / 101,142.47-150,944.63-89,932.68

Finding the Fourth Proportional to 101,142.47, 150,944.63 and 89,932.68

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Solution

The fourth proportional to 101,142.47, 150,944.63 and 89,932.68 is: 134,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,142.47 : 150,944.63 = 89,932.68 : x
  2. Step 2: Convert to fraction form
    101,142.47/150,944.63 = 89,932.68/x
  3. Step 3: Cross multiply
    101,142.47x = 150,944.63 × 89,932.68
  4. Step 4: Simplify right side
    101,142.47x = 13,574,854,352.79
  5. Step 5: Solve for x
    x = 13,574,854,352.79/101,142.47
  6. Step 6: Final answer
    x = 134,215.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.