Home / 167,070.48-230,567.76-91,619

Finding the Fourth Proportional to 167,070.48, 230,567.76 and 91,619

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Solution

The fourth proportional to 167,070.48, 230,567.76 and 91,619 is: 126,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,070.48 : 230,567.76 = 91,619 : x
  2. Step 2: Convert to fraction form
    167,070.48/230,567.76 = 91,619/x
  3. Step 3: Cross multiply
    167,070.48x = 230,567.76 × 91,619
  4. Step 4: Simplify right side
    167,070.48x = 21,124,387,603.44
  5. Step 5: Solve for x
    x = 21,124,387,603.44/167,070.48
  6. Step 6: Final answer
    x = 126,439.98

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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.