Home / 170,628.68-235,338.20-102,640.52

Finding the Fourth Proportional to 170,628.68, 235,338.20 and 102,640.52

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Solution

The fourth proportional to 170,628.68, 235,338.20 and 102,640.52 is: 141,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,628.68 : 235,338.20 = 102,640.52 : x
  2. Step 2: Convert to fraction form
    170,628.68/235,338.20 = 102,640.52/x
  3. Step 3: Cross multiply
    170,628.68x = 235,338.20 × 102,640.52
  4. Step 4: Simplify right side
    170,628.68x = 24,155,235,223.86
  5. Step 5: Solve for x
    x = 24,155,235,223.86/170,628.68
  6. Step 6: Final answer
    x = 141,566.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.