Home / 140,725.74-211,089.69-40,892.70

Finding the Fourth Proportional to 140,725.74, 211,089.69 and 40,892.70

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Solution

The fourth proportional to 140,725.74, 211,089.69 and 40,892.70 is: 61,339.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,725.74 : 211,089.69 = 40,892.70 : x
  2. Step 2: Convert to fraction form
    140,725.74/211,089.69 = 40,892.70/x
  3. Step 3: Cross multiply
    140,725.74x = 211,089.69 × 40,892.70
  4. Step 4: Simplify right side
    140,725.74x = 8,632,027,366.26
  5. Step 5: Solve for x
    x = 8,632,027,366.26/140,725.74
  6. Step 6: Final answer
    x = 61,339.36

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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.