Home / 188,113.16-259,599.66-103,233.26

Finding the Fourth Proportional to 188,113.16, 259,599.66 and 103,233.26

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Solution

The fourth proportional to 188,113.16, 259,599.66 and 103,233.26 is: 142,463.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,113.16 : 259,599.66 = 103,233.26 : x
  2. Step 2: Convert to fraction form
    188,113.16/259,599.66 = 103,233.26/x
  3. Step 3: Cross multiply
    188,113.16x = 259,599.66 × 103,233.26
  4. Step 4: Simplify right side
    188,113.16x = 26,799,319,196.69
  5. Step 5: Solve for x
    x = 26,799,319,196.69/188,113.16
  6. Step 6: Final answer
    x = 142,463.82

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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.