Home / 144,628.16-199,446.64-112,785.44

Finding the Fourth Proportional to 144,628.16, 199,446.64 and 112,785.44

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Solution

The fourth proportional to 144,628.16, 199,446.64 and 112,785.44 is: 155,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,628.16 : 199,446.64 = 112,785.44 : x
  2. Step 2: Convert to fraction form
    144,628.16/199,446.64 = 112,785.44/x
  3. Step 3: Cross multiply
    144,628.16x = 199,446.64 × 112,785.44
  4. Step 4: Simplify right side
    144,628.16x = 22,494,677,048.92
  5. Step 5: Solve for x
    x = 22,494,677,048.92/144,628.16
  6. Step 6: Final answer
    x = 155,534.56

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1.5x scale

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.