Home / 141,811.04-212,728.08-51,843.68

Finding the Fourth Proportional to 141,811.04, 212,728.08 and 51,843.68

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Solution

The fourth proportional to 141,811.04, 212,728.08 and 51,843.68 is: 77,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,811.04 : 212,728.08 = 51,843.68 : x
  2. Step 2: Convert to fraction form
    141,811.04/212,728.08 = 51,843.68/x
  3. Step 3: Cross multiply
    141,811.04x = 212,728.08 × 51,843.68
  4. Step 4: Simplify right side
    141,811.04x = 11,028,606,506.53
  5. Step 5: Solve for x
    x = 11,028,606,506.53/141,811.04
  6. Step 6: Final answer
    x = 77,769.73

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1.5x scale

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.