Home / 170,520.82-235,320.21-94,042.64

Finding the Fourth Proportional to 170,520.82, 235,320.21 and 94,042.64

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Solution

The fourth proportional to 170,520.82, 235,320.21 and 94,042.64 is: 129,779.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,520.82 : 235,320.21 = 94,042.64 : x
  2. Step 2: Convert to fraction form
    170,520.82/235,320.21 = 94,042.64/x
  3. Step 3: Cross multiply
    170,520.82x = 235,320.21 × 94,042.64
  4. Step 4: Simplify right side
    170,520.82x = 22,130,134,382.05
  5. Step 5: Solve for x
    x = 22,130,134,382.05/170,520.82
  6. Step 6: Final answer
    x = 129,779.66

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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.