Home / 188,117.22-259,604.93-103,242.18

Finding the Fourth Proportional to 188,117.22, 259,604.93 and 103,242.18

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Solution

The fourth proportional to 188,117.22, 259,604.93 and 103,242.18 is: 142,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,117.22 : 259,604.93 = 103,242.18 : x
  2. Step 2: Convert to fraction form
    188,117.22/259,604.93 = 103,242.18/x
  3. Step 3: Cross multiply
    188,117.22x = 259,604.93 × 103,242.18
  4. Step 4: Simplify right side
    188,117.22x = 26,802,178,911.95
  5. Step 5: Solve for x
    x = 26,802,178,911.95/188,117.22
  6. Step 6: Final answer
    x = 142,475.95

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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.