Home / 170,997.59-235,854.27-120,021.66

Finding the Fourth Proportional to 170,997.59, 235,854.27 and 120,021.66

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Solution

The fourth proportional to 170,997.59, 235,854.27 and 120,021.66 is: 165,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,997.59 : 235,854.27 = 120,021.66 : x
  2. Step 2: Convert to fraction form
    170,997.59/235,854.27 = 120,021.66/x
  3. Step 3: Cross multiply
    170,997.59x = 235,854.27 × 120,021.66
  4. Step 4: Simplify right side
    170,997.59x = 28,307,621,003.49
  5. Step 5: Solve for x
    x = 28,307,621,003.49/170,997.59
  6. Step 6: Final answer
    x = 165,543.98

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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.