Home / 157,120.59-235,495.44-67,136.98

Finding the Fourth Proportional to 157,120.59, 235,495.44 and 67,136.98

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Solution

The fourth proportional to 157,120.59, 235,495.44 and 67,136.98 is: 100,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,120.59 : 235,495.44 = 67,136.98 : x
  2. Step 2: Convert to fraction form
    157,120.59/235,495.44 = 67,136.98/x
  3. Step 3: Cross multiply
    157,120.59x = 235,495.44 × 67,136.98
  4. Step 4: Simplify right side
    157,120.59x = 15,810,452,645.37
  5. Step 5: Solve for x
    x = 15,810,452,645.37/157,120.59
  6. Step 6: Final answer
    x = 100,626.23

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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.