Home / 157,814.22-217,774.80-89,847.75

Finding the Fourth Proportional to 157,814.22, 217,774.80 and 89,847.75

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Solution

The fourth proportional to 157,814.22, 217,774.80 and 89,847.75 is: 123,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,814.22 : 217,774.80 = 89,847.75 : x
  2. Step 2: Convert to fraction form
    157,814.22/217,774.80 = 89,847.75/x
  3. Step 3: Cross multiply
    157,814.22x = 217,774.80 × 89,847.75
  4. Step 4: Simplify right side
    157,814.22x = 19,566,575,786.70
  5. Step 5: Solve for x
    x = 19,566,575,786.70/157,814.22
  6. Step 6: Final answer
    x = 123,984.87

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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.