Home / 170,682.69-235,537.70-94,200.78

Finding the Fourth Proportional to 170,682.69, 235,537.70 and 94,200.78

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Solution

The fourth proportional to 170,682.69, 235,537.70 and 94,200.78 is: 129,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,682.69 : 235,537.70 = 94,200.78 : x
  2. Step 2: Convert to fraction form
    170,682.69/235,537.70 = 94,200.78/x
  3. Step 3: Cross multiply
    170,682.69x = 235,537.70 × 94,200.78
  4. Step 4: Simplify right side
    170,682.69x = 22,187,834,588.40
  5. Step 5: Solve for x
    x = 22,187,834,588.40/170,682.69
  6. Step 6: Final answer
    x = 129,994.64

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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.