Home / 210,677.96-290,735.59-115,184.66

Finding the Fourth Proportional to 210,677.96, 290,735.59 and 115,184.66

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Solution

The fourth proportional to 210,677.96, 290,735.59 and 115,184.66 is: 158,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,677.96 : 290,735.59 = 115,184.66 : x
  2. Step 2: Convert to fraction form
    210,677.96/290,735.59 = 115,184.66/x
  3. Step 3: Cross multiply
    210,677.96x = 290,735.59 × 115,184.66
  4. Step 4: Simplify right side
    210,677.96x = 33,488,280,084.05
  5. Step 5: Solve for x
    x = 33,488,280,084.05/210,677.96
  6. Step 6: Final answer
    x = 158,954.83

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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.