Home / 113,121.04-156,095.76-67,786.96

Finding the Fourth Proportional to 113,121.04, 156,095.76 and 67,786.96

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Solution

The fourth proportional to 113,121.04, 156,095.76 and 67,786.96 is: 93,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,121.04 : 156,095.76 = 67,786.96 : x
  2. Step 2: Convert to fraction form
    113,121.04/156,095.76 = 67,786.96/x
  3. Step 3: Cross multiply
    113,121.04x = 156,095.76 × 67,786.96
  4. Step 4: Simplify right side
    113,121.04x = 10,581,257,039.29
  5. Step 5: Solve for x
    x = 10,581,257,039.29/113,121.04
  6. Step 6: Final answer
    x = 93,539.25

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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.