Home / 207,386.21-286,189.79-116,741.89

Finding the Fourth Proportional to 207,386.21, 286,189.79 and 116,741.89

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Solution

The fourth proportional to 207,386.21, 286,189.79 and 116,741.89 is: 161,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,386.21 : 286,189.79 = 116,741.89 : x
  2. Step 2: Convert to fraction form
    207,386.21/286,189.79 = 116,741.89/x
  3. Step 3: Cross multiply
    207,386.21x = 286,189.79 × 116,741.89
  4. Step 4: Simplify right side
    207,386.21x = 33,410,336,983.30
  5. Step 5: Solve for x
    x = 33,410,336,983.30/207,386.21
  6. Step 6: Final answer
    x = 161,102.02

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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.