Home / 126,903.80-174,772.14-124,148.72

Finding the Fourth Proportional to 126,903.80, 174,772.14 and 124,148.72

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Solution

The fourth proportional to 126,903.80, 174,772.14 and 124,148.72 is: 170,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,903.80 : 174,772.14 = 124,148.72 : x
  2. Step 2: Convert to fraction form
    126,903.80/174,772.14 = 124,148.72/x
  3. Step 3: Cross multiply
    126,903.80x = 174,772.14 × 124,148.72
  4. Step 4: Simplify right side
    126,903.80x = 21,697,737,472.66
  5. Step 5: Solve for x
    x = 21,697,737,472.66/126,903.80
  6. Step 6: Final answer
    x = 170,977.84

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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.