Home / 199,210.58-274,901.81-113,169.29

Finding the Fourth Proportional to 199,210.58, 274,901.81 and 113,169.29

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Solution

The fourth proportional to 199,210.58, 274,901.81 and 113,169.29 is: 156,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,210.58 : 274,901.81 = 113,169.29 : x
  2. Step 2: Convert to fraction form
    199,210.58/274,901.81 = 113,169.29/x
  3. Step 3: Cross multiply
    199,210.58x = 274,901.81 × 113,169.29
  4. Step 4: Simplify right side
    199,210.58x = 31,110,442,657.41
  5. Step 5: Solve for x
    x = 31,110,442,657.41/199,210.58
  6. Step 6: Final answer
    x = 156,168.63

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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.