Home / 211,429.74-316,522.53-141,134.70

Finding the Fourth Proportional to 211,429.74, 316,522.53 and 141,134.70

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Solution

The fourth proportional to 211,429.74, 316,522.53 and 141,134.70 is: 211,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,429.74 : 316,522.53 = 141,134.70 : x
  2. Step 2: Convert to fraction form
    211,429.74/316,522.53 = 141,134.70/x
  3. Step 3: Cross multiply
    211,429.74x = 316,522.53 × 141,134.70
  4. Step 4: Simplify right side
    211,429.74x = 44,672,312,314.79
  5. Step 5: Solve for x
    x = 44,672,312,314.79/211,429.74
  6. Step 6: Final answer
    x = 211,286.80

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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.