Home / 139,226.61-191,987.50-82,627.05

Finding the Fourth Proportional to 139,226.61, 191,987.50 and 82,627.05

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Solution

The fourth proportional to 139,226.61, 191,987.50 and 82,627.05 is: 113,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,226.61 : 191,987.50 = 82,627.05 : x
  2. Step 2: Convert to fraction form
    139,226.61/191,987.50 = 82,627.05/x
  3. Step 3: Cross multiply
    139,226.61x = 191,987.50 × 82,627.05
  4. Step 4: Simplify right side
    139,226.61x = 15,863,360,761.88
  5. Step 5: Solve for x
    x = 15,863,360,761.88/139,226.61
  6. Step 6: Final answer
    x = 113,939.14

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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.