Home / 141,016.56-211,439.62-66,153.12

Finding the Fourth Proportional to 141,016.56, 211,439.62 and 66,153.12

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Solution

The fourth proportional to 141,016.56, 211,439.62 and 66,153.12 is: 99,189.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,016.56 : 211,439.62 = 66,153.12 : x
  2. Step 2: Convert to fraction form
    141,016.56/211,439.62 = 66,153.12/x
  3. Step 3: Cross multiply
    141,016.56x = 211,439.62 × 66,153.12
  4. Step 4: Simplify right side
    141,016.56x = 13,987,390,554.61
  5. Step 5: Solve for x
    x = 13,987,390,554.61/141,016.56
  6. Step 6: Final answer
    x = 99,189.70

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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.