Home / 141,015.87-211,513.88-66,152.43

Finding the Fourth Proportional to 141,015.87, 211,513.88 and 66,152.43

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Solution

The fourth proportional to 141,015.87, 211,513.88 and 66,152.43 is: 99,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,015.87 : 211,513.88 = 66,152.43 : x
  2. Step 2: Convert to fraction form
    141,015.87/211,513.88 = 66,152.43/x
  3. Step 3: Cross multiply
    141,015.87x = 211,513.88 × 66,152.43
  4. Step 4: Simplify right side
    141,015.87x = 13,992,157,306.11
  5. Step 5: Solve for x
    x = 13,992,157,306.11/141,015.87
  6. Step 6: Final answer
    x = 99,223.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.