Home / 133,975.65-201,002.95-53,972.45

Finding the Fourth Proportional to 133,975.65, 201,002.95 and 53,972.45

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Solution

The fourth proportional to 133,975.65, 201,002.95 and 53,972.45 is: 80,974.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,975.65 : 201,002.95 = 53,972.45 : x
  2. Step 2: Convert to fraction form
    133,975.65/201,002.95 = 53,972.45/x
  3. Step 3: Cross multiply
    133,975.65x = 201,002.95 × 53,972.45
  4. Step 4: Simplify right side
    133,975.65x = 10,848,620,528.78
  5. Step 5: Solve for x
    x = 10,848,620,528.78/133,975.65
  6. Step 6: Final answer
    x = 80,974.57

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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.