Home / 194,213.10-290,882.25-99,472.26

Finding the Fourth Proportional to 194,213.10, 290,882.25 and 99,472.26

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Solution

The fourth proportional to 194,213.10, 290,882.25 and 99,472.26 is: 148,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,213.10 : 290,882.25 = 99,472.26 : x
  2. Step 2: Convert to fraction form
    194,213.10/290,882.25 = 99,472.26/x
  3. Step 3: Cross multiply
    194,213.10x = 290,882.25 × 99,472.26
  4. Step 4: Simplify right side
    194,213.10x = 28,934,714,801.39
  5. Step 5: Solve for x
    x = 28,934,714,801.39/194,213.10
  6. Step 6: Final answer
    x = 148,984.36

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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.