Home / 141,282.91-211,717-71,065.63

Finding the Fourth Proportional to 141,282.91, 211,717 and 71,065.63

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Solution

The fourth proportional to 141,282.91, 211,717 and 71,065.63 is: 106,494.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,282.91 : 211,717 = 71,065.63 : x
  2. Step 2: Convert to fraction form
    141,282.91/211,717 = 71,065.63/x
  3. Step 3: Cross multiply
    141,282.91x = 211,717 × 71,065.63
  4. Step 4: Simplify right side
    141,282.91x = 15,045,801,986.71
  5. Step 5: Solve for x
    x = 15,045,801,986.71/141,282.91
  6. Step 6: Final answer
    x = 106,494.14

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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.