Home / 132,133.79-182,342.66-77,692.10

Finding the Fourth Proportional to 132,133.79, 182,342.66 and 77,692.10

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Solution

The fourth proportional to 132,133.79, 182,342.66 and 77,692.10 is: 107,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,133.79 : 182,342.66 = 77,692.10 : x
  2. Step 2: Convert to fraction form
    132,133.79/182,342.66 = 77,692.10/x
  3. Step 3: Cross multiply
    132,133.79x = 182,342.66 × 77,692.10
  4. Step 4: Simplify right side
    132,133.79x = 14,166,584,242.38
  5. Step 5: Solve for x
    x = 14,166,584,242.38/132,133.79
  6. Step 6: Final answer
    x = 107,213.94

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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.