Home / 174,309.10-261,549.78-103,228.87

Finding the Fourth Proportional to 174,309.10, 261,549.78 and 103,228.87

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Solution

The fourth proportional to 174,309.10, 261,549.78 and 103,228.87 is: 154,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,309.10 : 261,549.78 = 103,228.87 : x
  2. Step 2: Convert to fraction form
    174,309.10/261,549.78 = 103,228.87/x
  3. Step 3: Cross multiply
    174,309.10x = 261,549.78 × 103,228.87
  4. Step 4: Simplify right side
    174,309.10x = 26,999,488,238.15
  5. Step 5: Solve for x
    x = 26,999,488,238.15/174,309.10
  6. Step 6: Final answer
    x = 154,894.31

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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.