Home / 104,275.24-156,435-34,149.40

Finding the Fourth Proportional to 104,275.24, 156,435 and 34,149.40

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Solution

The fourth proportional to 104,275.24, 156,435 and 34,149.40 is: 51,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,275.24 : 156,435 = 34,149.40 : x
  2. Step 2: Convert to fraction form
    104,275.24/156,435 = 34,149.40/x
  3. Step 3: Cross multiply
    104,275.24x = 156,435 × 34,149.40
  4. Step 4: Simplify right side
    104,275.24x = 5,342,161,389
  5. Step 5: Solve for x
    x = 5,342,161,389/104,275.24
  6. Step 6: Final answer
    x = 51,231.35

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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.