Home / 207,813.64-286,777.06-117,168.81

Finding the Fourth Proportional to 207,813.64, 286,777.06 and 117,168.81

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Solution

The fourth proportional to 207,813.64, 286,777.06 and 117,168.81 is: 161,689.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,813.64 : 286,777.06 = 117,168.81 : x
  2. Step 2: Convert to fraction form
    207,813.64/286,777.06 = 117,168.81/x
  3. Step 3: Cross multiply
    207,813.64x = 286,777.06 × 117,168.81
  4. Step 4: Simplify right side
    207,813.64x = 33,601,326,562.58
  5. Step 5: Solve for x
    x = 33,601,326,562.58/207,813.64
  6. Step 6: Final answer
    x = 161,689.71

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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.