Home / 156,935.40-235,403.10-50,319.15

Finding the Fourth Proportional to 156,935.40, 235,403.10 and 50,319.15

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Solution

The fourth proportional to 156,935.40, 235,403.10 and 50,319.15 is: 75,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.40 : 235,403.10 = 50,319.15 : x
  2. Step 2: Convert to fraction form
    156,935.40/235,403.10 = 50,319.15/x
  3. Step 3: Cross multiply
    156,935.40x = 235,403.10 × 50,319.15
  4. Step 4: Simplify right side
    156,935.40x = 11,845,283,899.37
  5. Step 5: Solve for x
    x = 11,845,283,899.37/156,935.40
  6. Step 6: Final answer
    x = 75,478.73

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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.