Home / 156,965.19-235,447.25-43,113.11

Finding the Fourth Proportional to 156,965.19, 235,447.25 and 43,113.11

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Solution

The fourth proportional to 156,965.19, 235,447.25 and 43,113.11 is: 64,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,965.19 : 235,447.25 = 43,113.11 : x
  2. Step 2: Convert to fraction form
    156,965.19/235,447.25 = 43,113.11/x
  3. Step 3: Cross multiply
    156,965.19x = 235,447.25 × 43,113.11
  4. Step 4: Simplify right side
    156,965.19x = 10,150,861,795.65
  5. Step 5: Solve for x
    x = 10,150,861,795.65/156,965.19
  6. Step 6: Final answer
    x = 64,669.51

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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.