Home / 141,217.43-211,849.47-70,142.42

Finding the Fourth Proportional to 141,217.43, 211,849.47 and 70,142.42

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Solution

The fourth proportional to 141,217.43, 211,849.47 and 70,142.42 is: 105,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,217.43 : 211,849.47 = 70,142.42 : x
  2. Step 2: Convert to fraction form
    141,217.43/211,849.47 = 70,142.42/x
  3. Step 3: Cross multiply
    141,217.43x = 211,849.47 × 70,142.42
  4. Step 4: Simplify right side
    141,217.43x = 14,859,635,031.14
  5. Step 5: Solve for x
    x = 14,859,635,031.14/141,217.43
  6. Step 6: Final answer
    x = 105,225.22

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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.