Home / 156,256.37-234,395.49-77,349.41

Finding the Fourth Proportional to 156,256.37, 234,395.49 and 77,349.41

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Solution

The fourth proportional to 156,256.37, 234,395.49 and 77,349.41 is: 116,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,256.37 : 234,395.49 = 77,349.41 : x
  2. Step 2: Convert to fraction form
    156,256.37/234,395.49 = 77,349.41/x
  3. Step 3: Cross multiply
    156,256.37x = 234,395.49 × 77,349.41
  4. Step 4: Simplify right side
    156,256.37x = 18,130,352,858.16
  5. Step 5: Solve for x
    x = 18,130,352,858.16/156,256.37
  6. Step 6: Final answer
    x = 116,029.53

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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.