Home / 156,743.65-235,115.48-45,935.65

Finding the Fourth Proportional to 156,743.65, 235,115.48 and 45,935.65

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Solution

The fourth proportional to 156,743.65, 235,115.48 and 45,935.65 is: 68,903.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,743.65 : 235,115.48 = 45,935.65 : x
  2. Step 2: Convert to fraction form
    156,743.65/235,115.48 = 45,935.65/x
  3. Step 3: Cross multiply
    156,743.65x = 235,115.48 × 45,935.65
  4. Step 4: Simplify right side
    156,743.65x = 10,800,182,398.86
  5. Step 5: Solve for x
    x = 10,800,182,398.86/156,743.65
  6. Step 6: Final answer
    x = 68,903.48

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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.