Home / 156,943.89-235,342.13-57,033.63

Finding the Fourth Proportional to 156,943.89, 235,342.13 and 57,033.63

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Solution

The fourth proportional to 156,943.89, 235,342.13 and 57,033.63 is: 85,523.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.89 : 235,342.13 = 57,033.63 : x
  2. Step 2: Convert to fraction form
    156,943.89/235,342.13 = 57,033.63/x
  3. Step 3: Cross multiply
    156,943.89x = 235,342.13 × 57,033.63
  4. Step 4: Simplify right side
    156,943.89x = 13,422,415,680.66
  5. Step 5: Solve for x
    x = 13,422,415,680.66/156,943.89
  6. Step 6: Final answer
    x = 85,523.66

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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.