Home / 156,623.76-234,886.37-51,418.26

Finding the Fourth Proportional to 156,623.76, 234,886.37 and 51,418.26

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Solution

The fourth proportional to 156,623.76, 234,886.37 and 51,418.26 is: 77,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,623.76 : 234,886.37 = 51,418.26 : x
  2. Step 2: Convert to fraction form
    156,623.76/234,886.37 = 51,418.26/x
  3. Step 3: Cross multiply
    156,623.76x = 234,886.37 × 51,418.26
  4. Step 4: Simplify right side
    156,623.76x = 12,077,448,186.02
  5. Step 5: Solve for x
    x = 12,077,448,186.02/156,623.76
  6. Step 6: Final answer
    x = 77,111.21

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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.