Home / 132,933.54-198,931.90-83,037.12

Finding the Fourth Proportional to 132,933.54, 198,931.90 and 83,037.12

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Solution

The fourth proportional to 132,933.54, 198,931.90 and 83,037.12 is: 124,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,933.54 : 198,931.90 = 83,037.12 : x
  2. Step 2: Convert to fraction form
    132,933.54/198,931.90 = 83,037.12/x
  3. Step 3: Cross multiply
    132,933.54x = 198,931.90 × 83,037.12
  4. Step 4: Simplify right side
    132,933.54x = 16,518,732,052.13
  5. Step 5: Solve for x
    x = 16,518,732,052.13/132,933.54
  6. Step 6: Final answer
    x = 124,263.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.