Home / 132,854.16-183,329.55-74,719.60

Finding the Fourth Proportional to 132,854.16, 183,329.55 and 74,719.60

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Solution

The fourth proportional to 132,854.16, 183,329.55 and 74,719.60 is: 103,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,854.16 : 183,329.55 = 74,719.60 : x
  2. Step 2: Convert to fraction form
    132,854.16/183,329.55 = 74,719.60/x
  3. Step 3: Cross multiply
    132,854.16x = 183,329.55 × 74,719.60
  4. Step 4: Simplify right side
    132,854.16x = 13,698,310,644.18
  5. Step 5: Solve for x
    x = 13,698,310,644.18/132,854.16
  6. Step 6: Final answer
    x = 103,107.88

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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.