Home / 188,214.95-259,622.50-111,683.61

Finding the Fourth Proportional to 188,214.95, 259,622.50 and 111,683.61

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Solution

The fourth proportional to 188,214.95, 259,622.50 and 111,683.61 is: 154,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,214.95 : 259,622.50 = 111,683.61 : x
  2. Step 2: Convert to fraction form
    188,214.95/259,622.50 = 111,683.61/x
  3. Step 3: Cross multiply
    188,214.95x = 259,622.50 × 111,683.61
  4. Step 4: Simplify right side
    188,214.95x = 28,995,577,478.81
  5. Step 5: Solve for x
    x = 28,995,577,478.81/188,214.95
  6. Step 6: Final answer
    x = 154,055.66

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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.