Home / 148,336.64-204,551.16-103,065.92

Finding the Fourth Proportional to 148,336.64, 204,551.16 and 103,065.92

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Solution

The fourth proportional to 148,336.64, 204,551.16 and 103,065.92 is: 142,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,336.64 : 204,551.16 = 103,065.92 : x
  2. Step 2: Convert to fraction form
    148,336.64/204,551.16 = 103,065.92/x
  3. Step 3: Cross multiply
    148,336.64x = 204,551.16 × 103,065.92
  4. Step 4: Simplify right side
    148,336.64x = 21,082,253,492.47
  5. Step 5: Solve for x
    x = 21,082,253,492.47/148,336.64
  6. Step 6: Final answer
    x = 142,124.38

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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.