Home / 205,141.41-307,555.16-169,490.52

Finding the Fourth Proportional to 205,141.41, 307,555.16 and 169,490.52

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Solution

The fourth proportional to 205,141.41, 307,555.16 and 169,490.52 is: 254,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,141.41 : 307,555.16 = 169,490.52 : x
  2. Step 2: Convert to fraction form
    205,141.41/307,555.16 = 169,490.52/x
  3. Step 3: Cross multiply
    205,141.41x = 307,555.16 × 169,490.52
  4. Step 4: Simplify right side
    205,141.41x = 52,127,683,149.63
  5. Step 5: Solve for x
    x = 52,127,683,149.63/205,141.41
  6. Step 6: Final answer
    x = 254,106.10

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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.