Home / 207,091.10-310,230.69-107,316.74

Finding the Fourth Proportional to 207,091.10, 310,230.69 and 107,316.74

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Solution

The fourth proportional to 207,091.10, 310,230.69 and 107,316.74 is: 160,764.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,091.10 : 310,230.69 = 107,316.74 : x
  2. Step 2: Convert to fraction form
    207,091.10/310,230.69 = 107,316.74/x
  3. Step 3: Cross multiply
    207,091.10x = 310,230.69 × 107,316.74
  4. Step 4: Simplify right side
    207,091.10x = 33,292,947,074.33
  5. Step 5: Solve for x
    x = 33,292,947,074.33/207,091.10
  6. Step 6: Final answer
    x = 160,764.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.