Home / 131,701.52-181,745.70-75,108.44

Finding the Fourth Proportional to 131,701.52, 181,745.70 and 75,108.44

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Solution

The fourth proportional to 131,701.52, 181,745.70 and 75,108.44 is: 103,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.52 : 181,745.70 = 75,108.44 : x
  2. Step 2: Convert to fraction form
    131,701.52/181,745.70 = 75,108.44/x
  3. Step 3: Cross multiply
    131,701.52x = 181,745.70 × 75,108.44
  4. Step 4: Simplify right side
    131,701.52x = 13,650,636,003.71
  5. Step 5: Solve for x
    x = 13,650,636,003.71/131,701.52
  6. Step 6: Final answer
    x = 103,648.28

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1.5x scale

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.