Home / 132,855.81-183,360.56-87,526.59

Finding the Fourth Proportional to 132,855.81, 183,360.56 and 87,526.59

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Solution

The fourth proportional to 132,855.81, 183,360.56 and 87,526.59 is: 120,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,855.81 : 183,360.56 = 87,526.59 : x
  2. Step 2: Convert to fraction form
    132,855.81/183,360.56 = 87,526.59/x
  3. Step 3: Cross multiply
    132,855.81x = 183,360.56 × 87,526.59
  4. Step 4: Simplify right side
    132,855.81x = 16,048,924,119.66
  5. Step 5: Solve for x
    x = 16,048,924,119.66/132,855.81
  6. Step 6: Final answer
    x = 120,799.57

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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.