Home / 207,961.60-286,956.66-117,321.52

Finding the Fourth Proportional to 207,961.60, 286,956.66 and 117,321.52

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Solution

The fourth proportional to 207,961.60, 286,956.66 and 117,321.52 is: 161,886.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,961.60 : 286,956.66 = 117,321.52 : x
  2. Step 2: Convert to fraction form
    207,961.60/286,956.66 = 117,321.52/x
  3. Step 3: Cross multiply
    207,961.60x = 286,956.66 × 117,321.52
  4. Step 4: Simplify right side
    207,961.60x = 33,666,191,525.32
  5. Step 5: Solve for x
    x = 33,666,191,525.32/207,961.60
  6. Step 6: Final answer
    x = 161,886.58

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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.