Home / 141,372.60-212,093.76-70,328.94

Finding the Fourth Proportional to 141,372.60, 212,093.76 and 70,328.94

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Solution

The fourth proportional to 141,372.60, 212,093.76 and 70,328.94 is: 105,510.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,372.60 : 212,093.76 = 70,328.94 : x
  2. Step 2: Convert to fraction form
    141,372.60/212,093.76 = 70,328.94/x
  3. Step 3: Cross multiply
    141,372.60x = 212,093.76 × 70,328.94
  4. Step 4: Simplify right side
    141,372.60x = 14,916,329,321.41
  5. Step 5: Solve for x
    x = 14,916,329,321.41/141,372.60
  6. Step 6: Final answer
    x = 105,510.75

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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.