Home / 167,686.83-231,453.32-98,836.43

Finding the Fourth Proportional to 167,686.83, 231,453.32 and 98,836.43

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Solution

The fourth proportional to 167,686.83, 231,453.32 and 98,836.43 is: 136,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,686.83 : 231,453.32 = 98,836.43 : x
  2. Step 2: Convert to fraction form
    167,686.83/231,453.32 = 98,836.43/x
  3. Step 3: Cross multiply
    167,686.83x = 231,453.32 × 98,836.43
  4. Step 4: Simplify right side
    167,686.83x = 22,876,018,209.00
  5. Step 5: Solve for x
    x = 22,876,018,209.00/167,686.83
  6. Step 6: Final answer
    x = 136,421.08

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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.