Home / 133,206.04-199,849.08-39,711.76

Finding the Fourth Proportional to 133,206.04, 199,849.08 and 39,711.76

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Solution

The fourth proportional to 133,206.04, 199,849.08 and 39,711.76 is: 59,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,206.04 : 199,849.08 = 39,711.76 : x
  2. Step 2: Convert to fraction form
    133,206.04/199,849.08 = 39,711.76/x
  3. Step 3: Cross multiply
    133,206.04x = 199,849.08 × 39,711.76
  4. Step 4: Simplify right side
    133,206.04x = 7,936,358,701.18
  5. Step 5: Solve for x
    x = 7,936,358,701.18/133,206.04
  6. Step 6: Final answer
    x = 59,579.57

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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.