Home / 207,402.72-286,221.29-116,762.12

Finding the Fourth Proportional to 207,402.72, 286,221.29 and 116,762.12

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Solution

The fourth proportional to 207,402.72, 286,221.29 and 116,762.12 is: 161,134.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,402.72 : 286,221.29 = 116,762.12 : x
  2. Step 2: Convert to fraction form
    207,402.72/286,221.29 = 116,762.12/x
  3. Step 3: Cross multiply
    207,402.72x = 286,221.29 × 116,762.12
  4. Step 4: Simplify right side
    207,402.72x = 33,419,804,025.72
  5. Step 5: Solve for x
    x = 33,419,804,025.72/207,402.72
  6. Step 6: Final answer
    x = 161,134.84

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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.