Home / 194,343.40-291,644.70-89,108.20

Finding the Fourth Proportional to 194,343.40, 291,644.70 and 89,108.20

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Solution

The fourth proportional to 194,343.40, 291,644.70 and 89,108.20 is: 133,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,343.40 : 291,644.70 = 89,108.20 : x
  2. Step 2: Convert to fraction form
    194,343.40/291,644.70 = 89,108.20/x
  3. Step 3: Cross multiply
    194,343.40x = 291,644.70 × 89,108.20
  4. Step 4: Simplify right side
    194,343.40x = 25,987,934,256.54
  5. Step 5: Solve for x
    x = 25,987,934,256.54/194,343.40
  6. Step 6: Final answer
    x = 133,721.72

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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.