Home / 174,682.10-261,836.28-90,357.35

Finding the Fourth Proportional to 174,682.10, 261,836.28 and 90,357.35

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Solution

The fourth proportional to 174,682.10, 261,836.28 and 90,357.35 is: 135,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,682.10 : 261,836.28 = 90,357.35 : x
  2. Step 2: Convert to fraction form
    174,682.10/261,836.28 = 90,357.35/x
  3. Step 3: Cross multiply
    174,682.10x = 261,836.28 × 90,357.35
  4. Step 4: Simplify right side
    174,682.10x = 23,658,831,085.48
  5. Step 5: Solve for x
    x = 23,658,831,085.48/174,682.10
  6. Step 6: Final answer
    x = 135,439.35

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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.