Home / 118,124.11-176,988.92-83,000.89

Finding the Fourth Proportional to 118,124.11, 176,988.92 and 83,000.89

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Solution

The fourth proportional to 118,124.11, 176,988.92 and 83,000.89 is: 124,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,124.11 : 176,988.92 = 83,000.89 : x
  2. Step 2: Convert to fraction form
    118,124.11/176,988.92 = 83,000.89/x
  3. Step 3: Cross multiply
    118,124.11x = 176,988.92 × 83,000.89
  4. Step 4: Simplify right side
    118,124.11x = 14,690,237,880.14
  5. Step 5: Solve for x
    x = 14,690,237,880.14/118,124.11
  6. Step 6: Final answer
    x = 124,362.74

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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.