Home / 112,904.17-169,469.65-100,336.21

Finding the Fourth Proportional to 112,904.17, 169,469.65 and 100,336.21

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Solution

The fourth proportional to 112,904.17, 169,469.65 and 100,336.21 is: 150,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,904.17 : 169,469.65 = 100,336.21 : x
  2. Step 2: Convert to fraction form
    112,904.17/169,469.65 = 100,336.21/x
  3. Step 3: Cross multiply
    112,904.17x = 169,469.65 × 100,336.21
  4. Step 4: Simplify right side
    112,904.17x = 17,003,941,543.68
  5. Step 5: Solve for x
    x = 17,003,941,543.68/112,904.17
  6. Step 6: Final answer
    x = 150,605.09

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1.5x scale

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.