Home / 132,916.12-183,378.90-75,549.64

Finding the Fourth Proportional to 132,916.12, 183,378.90 and 75,549.64

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Solution

The fourth proportional to 132,916.12, 183,378.90 and 75,549.64 is: 104,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.12 : 183,378.90 = 75,549.64 : x
  2. Step 2: Convert to fraction form
    132,916.12/183,378.90 = 75,549.64/x
  3. Step 3: Cross multiply
    132,916.12x = 183,378.90 × 75,549.64
  4. Step 4: Simplify right side
    132,916.12x = 13,854,209,878.60
  5. Step 5: Solve for x
    x = 13,854,209,878.60/132,916.12
  6. Step 6: Final answer
    x = 104,232.73

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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.