Home / 156,943.10-235,396.42-44,640.65

Finding the Fourth Proportional to 156,943.10, 235,396.42 and 44,640.65

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Solution

The fourth proportional to 156,943.10, 235,396.42 and 44,640.65 is: 66,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,943.10 : 235,396.42 = 44,640.65 : x
  2. Step 2: Convert to fraction form
    156,943.10/235,396.42 = 44,640.65/x
  3. Step 3: Cross multiply
    156,943.10x = 235,396.42 × 44,640.65
  4. Step 4: Simplify right side
    156,943.10x = 10,508,249,196.47
  5. Step 5: Solve for x
    x = 10,508,249,196.47/156,943.10
  6. Step 6: Final answer
    x = 66,955.79

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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.