Home / 133,984.16-200,681.00-74,672.72

Finding the Fourth Proportional to 133,984.16, 200,681.00 and 74,672.72

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Solution

The fourth proportional to 133,984.16, 200,681.00 and 74,672.72 is: 111,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,984.16 : 200,681.00 = 74,672.72 : x
  2. Step 2: Convert to fraction form
    133,984.16/200,681.00 = 74,672.72/x
  3. Step 3: Cross multiply
    133,984.16x = 200,681.00 × 74,672.72
  4. Step 4: Simplify right side
    133,984.16x = 14,985,395,748.96
  5. Step 5: Solve for x
    x = 14,985,395,748.96/133,984.16
  6. Step 6: Final answer
    x = 111,844.53

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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.