Home / 156,254.37-234,392.49-77,347.41

Finding the Fourth Proportional to 156,254.37, 234,392.49 and 77,347.41

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Solution

The fourth proportional to 156,254.37, 234,392.49 and 77,347.41 is: 116,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,254.37 : 234,392.49 = 77,347.41 : x
  2. Step 2: Convert to fraction form
    156,254.37/234,392.49 = 77,347.41/x
  3. Step 3: Cross multiply
    156,254.37x = 234,392.49 × 77,347.41
  4. Step 4: Simplify right side
    156,254.37x = 18,129,652,024.95
  5. Step 5: Solve for x
    x = 18,129,652,024.95/156,254.37
  6. Step 6: Final answer
    x = 116,026.53

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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.