Home / 156,717.80-235,117.23-67,950.80

Finding the Fourth Proportional to 156,717.80, 235,117.23 and 67,950.80

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Solution

The fourth proportional to 156,717.80, 235,117.23 and 67,950.80 is: 101,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,717.80 : 235,117.23 = 67,950.80 : x
  2. Step 2: Convert to fraction form
    156,717.80/235,117.23 = 67,950.80/x
  3. Step 3: Cross multiply
    156,717.80x = 235,117.23 × 67,950.80
  4. Step 4: Simplify right side
    156,717.80x = 15,976,403,872.28
  5. Step 5: Solve for x
    x = 15,976,403,872.28/156,717.80
  6. Step 6: Final answer
    x = 101,943.77

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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.