Home / 140,740.94-211,124.37-45,971.65

Finding the Fourth Proportional to 140,740.94, 211,124.37 and 45,971.65

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Solution

The fourth proportional to 140,740.94, 211,124.37 and 45,971.65 is: 68,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,740.94 : 211,124.37 = 45,971.65 : x
  2. Step 2: Convert to fraction form
    140,740.94/211,124.37 = 45,971.65/x
  3. Step 3: Cross multiply
    140,740.94x = 211,124.37 × 45,971.65
  4. Step 4: Simplify right side
    140,740.94x = 9,705,736,080.41
  5. Step 5: Solve for x
    x = 9,705,736,080.41/140,740.94
  6. Step 6: Final answer
    x = 68,961.71

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1.5x scale

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.