Home / 156,748.37-235,122.51-38,418.71

Finding the Fourth Proportional to 156,748.37, 235,122.51 and 38,418.71

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Solution

The fourth proportional to 156,748.37, 235,122.51 and 38,418.71 is: 57,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,748.37 : 235,122.51 = 38,418.71 : x
  2. Step 2: Convert to fraction form
    156,748.37/235,122.51 = 38,418.71/x
  3. Step 3: Cross multiply
    156,748.37x = 235,122.51 × 38,418.71
  4. Step 4: Simplify right side
    156,748.37x = 9,033,103,526.16
  5. Step 5: Solve for x
    x = 9,033,103,526.16/156,748.37
  6. Step 6: Final answer
    x = 57,628.05

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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.