Home / 205,538.18-307,559.93-169,665.91

Finding the Fourth Proportional to 205,538.18, 307,559.93 and 169,665.91

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Solution

The fourth proportional to 205,538.18, 307,559.93 and 169,665.91 is: 253,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,538.18 : 307,559.93 = 169,665.91 : x
  2. Step 2: Convert to fraction form
    205,538.18/307,559.93 = 169,665.91/x
  3. Step 3: Cross multiply
    205,538.18x = 307,559.93 × 169,665.91
  4. Step 4: Simplify right side
    205,538.18x = 52,182,434,554.66
  5. Step 5: Solve for x
    x = 52,182,434,554.66/205,538.18
  6. Step 6: Final answer
    x = 253,881.96

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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.