Home / 148,284.51-204,631.61-80,299.93

Finding the Fourth Proportional to 148,284.51, 204,631.61 and 80,299.93

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Solution

The fourth proportional to 148,284.51, 204,631.61 and 80,299.93 is: 110,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,284.51 : 204,631.61 = 80,299.93 : x
  2. Step 2: Convert to fraction form
    148,284.51/204,631.61 = 80,299.93/x
  3. Step 3: Cross multiply
    148,284.51x = 204,631.61 × 80,299.93
  4. Step 4: Simplify right side
    148,284.51x = 16,431,903,958.79
  5. Step 5: Solve for x
    x = 16,431,903,958.79/148,284.51
  6. Step 6: Final answer
    x = 110,813.35

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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.