Home / 117,025.10-175,397.22-67,139.63

Finding the Fourth Proportional to 117,025.10, 175,397.22 and 67,139.63

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Solution

The fourth proportional to 117,025.10, 175,397.22 and 67,139.63 is: 100,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,025.10 : 175,397.22 = 67,139.63 : x
  2. Step 2: Convert to fraction form
    117,025.10/175,397.22 = 67,139.63/x
  3. Step 3: Cross multiply
    117,025.10x = 175,397.22 × 67,139.63
  4. Step 4: Simplify right side
    117,025.10x = 11,776,104,453.83
  5. Step 5: Solve for x
    x = 11,776,104,453.83/117,025.10
  6. Step 6: Final answer
    x = 100,628.88

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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.