Home / 148,368.64-204,746.52-80,383.72

Finding the Fourth Proportional to 148,368.64, 204,746.52 and 80,383.72

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Solution

The fourth proportional to 148,368.64, 204,746.52 and 80,383.72 is: 110,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,368.64 : 204,746.52 = 80,383.72 : x
  2. Step 2: Convert to fraction form
    148,368.64/204,746.52 = 80,383.72/x
  3. Step 3: Cross multiply
    148,368.64x = 204,746.52 × 80,383.72
  4. Step 4: Simplify right side
    148,368.64x = 16,458,286,934.65
  5. Step 5: Solve for x
    x = 16,458,286,934.65/148,368.64
  6. Step 6: Final answer
    x = 110,928.34

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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.