Home / 212,779.11-293,755.11-141,256.92

Finding the Fourth Proportional to 212,779.11, 293,755.11 and 141,256.92

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Solution

The fourth proportional to 212,779.11, 293,755.11 and 141,256.92 is: 195,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,779.11 : 293,755.11 = 141,256.92 : x
  2. Step 2: Convert to fraction form
    212,779.11/293,755.11 = 141,256.92/x
  3. Step 3: Cross multiply
    212,779.11x = 293,755.11 × 141,256.92
  4. Step 4: Simplify right side
    212,779.11x = 41,494,942,072.86
  5. Step 5: Solve for x
    x = 41,494,942,072.86/212,779.11
  6. Step 6: Final answer
    x = 195,014.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.