Home / 167,386.15-251,092.88-78,591.22

Finding the Fourth Proportional to 167,386.15, 251,092.88 and 78,591.22

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Solution

The fourth proportional to 167,386.15, 251,092.88 and 78,591.22 is: 117,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,386.15 : 251,092.88 = 78,591.22 : x
  2. Step 2: Convert to fraction form
    167,386.15/251,092.88 = 78,591.22/x
  3. Step 3: Cross multiply
    167,386.15x = 251,092.88 × 78,591.22
  4. Step 4: Simplify right side
    167,386.15x = 19,733,695,772.51
  5. Step 5: Solve for x
    x = 19,733,695,772.51/167,386.15
  6. Step 6: Final answer
    x = 117,893.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.