Home / 156,738.04-235,136.22-51,561.16

Finding the Fourth Proportional to 156,738.04, 235,136.22 and 51,561.16

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Solution

The fourth proportional to 156,738.04, 235,136.22 and 51,561.16 is: 77,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.04 : 235,136.22 = 51,561.16 : x
  2. Step 2: Convert to fraction form
    156,738.04/235,136.22 = 51,561.16/x
  3. Step 3: Cross multiply
    156,738.04x = 235,136.22 × 51,561.16
  4. Step 4: Simplify right side
    156,738.04x = 12,123,896,261.22
  5. Step 5: Solve for x
    x = 12,123,896,261.22/156,738.04
  6. Step 6: Final answer
    x = 77,351.33

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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.