Home / 207,741.66-286,619.76-127,085.10

Finding the Fourth Proportional to 207,741.66, 286,619.76 and 127,085.10

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Solution

The fourth proportional to 207,741.66, 286,619.76 and 127,085.10 is: 175,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,741.66 : 286,619.76 = 127,085.10 : x
  2. Step 2: Convert to fraction form
    207,741.66/286,619.76 = 127,085.10/x
  3. Step 3: Cross multiply
    207,741.66x = 286,619.76 × 127,085.10
  4. Step 4: Simplify right side
    207,741.66x = 36,425,100,861.58
  5. Step 5: Solve for x
    x = 36,425,100,861.58/207,741.66
  6. Step 6: Final answer
    x = 175,338.45

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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.