Home / 140,014.36-193,219.86-76,350.52

Finding the Fourth Proportional to 140,014.36, 193,219.86 and 76,350.52

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Solution

The fourth proportional to 140,014.36, 193,219.86 and 76,350.52 is: 105,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,014.36 : 193,219.86 = 76,350.52 : x
  2. Step 2: Convert to fraction form
    140,014.36/193,219.86 = 76,350.52/x
  3. Step 3: Cross multiply
    140,014.36x = 193,219.86 × 76,350.52
  4. Step 4: Simplify right side
    140,014.36x = 14,752,436,785.33
  5. Step 5: Solve for x
    x = 14,752,436,785.33/140,014.36
  6. Step 6: Final answer
    x = 105,363.74

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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.