Home / 157,911.45-236,643.26-122,206.56

Finding the Fourth Proportional to 157,911.45, 236,643.26 and 122,206.56

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Solution

The fourth proportional to 157,911.45, 236,643.26 and 122,206.56 is: 183,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,911.45 : 236,643.26 = 122,206.56 : x
  2. Step 2: Convert to fraction form
    157,911.45/236,643.26 = 122,206.56/x
  3. Step 3: Cross multiply
    157,911.45x = 236,643.26 × 122,206.56
  4. Step 4: Simplify right side
    157,911.45x = 28,919,359,648.91
  5. Step 5: Solve for x
    x = 28,919,359,648.91/157,911.45
  6. Step 6: Final answer
    x = 183,136.56

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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.