Home / 148,890.59-205,576.28-91,606.98

Finding the Fourth Proportional to 148,890.59, 205,576.28 and 91,606.98

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Solution

The fourth proportional to 148,890.59, 205,576.28 and 91,606.98 is: 126,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,890.59 : 205,576.28 = 91,606.98 : x
  2. Step 2: Convert to fraction form
    148,890.59/205,576.28 = 91,606.98/x
  3. Step 3: Cross multiply
    148,890.59x = 205,576.28 × 91,606.98
  4. Step 4: Simplify right side
    148,890.59x = 18,832,221,712.40
  5. Step 5: Solve for x
    x = 18,832,221,712.40/148,890.59
  6. Step 6: Final answer
    x = 126,483.63

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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.