Home / 141,154.31-211,739.69-39,943.88

Finding the Fourth Proportional to 141,154.31, 211,739.69 and 39,943.88

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Solution

The fourth proportional to 141,154.31, 211,739.69 and 39,943.88 is: 59,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,154.31 : 211,739.69 = 39,943.88 : x
  2. Step 2: Convert to fraction form
    141,154.31/211,739.69 = 39,943.88/x
  3. Step 3: Cross multiply
    141,154.31x = 211,739.69 × 39,943.88
  4. Step 4: Simplify right side
    141,154.31x = 8,457,705,098.23
  5. Step 5: Solve for x
    x = 8,457,705,098.23/141,154.31
  6. Step 6: Final answer
    x = 59,918.15

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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.