Home / 140,175.37-193,444.03-76,511.80

Finding the Fourth Proportional to 140,175.37, 193,444.03 and 76,511.80

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Solution

The fourth proportional to 140,175.37, 193,444.03 and 76,511.80 is: 105,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,175.37 : 193,444.03 = 76,511.80 : x
  2. Step 2: Convert to fraction form
    140,175.37/193,444.03 = 76,511.80/x
  3. Step 3: Cross multiply
    140,175.37x = 193,444.03 × 76,511.80
  4. Step 4: Simplify right side
    140,175.37x = 14,800,750,934.55
  5. Step 5: Solve for x
    x = 14,800,750,934.55/140,175.37
  6. Step 6: Final answer
    x = 105,587.39

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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.