Home / 117,108.88-175,555.68-42,210.70

Finding the Fourth Proportional to 117,108.88, 175,555.68 and 42,210.70

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Solution

The fourth proportional to 117,108.88, 175,555.68 and 42,210.70 is: 63,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,108.88 : 175,555.68 = 42,210.70 : x
  2. Step 2: Convert to fraction form
    117,108.88/175,555.68 = 42,210.70/x
  3. Step 3: Cross multiply
    117,108.88x = 175,555.68 × 42,210.70
  4. Step 4: Simplify right side
    117,108.88x = 7,410,328,141.78
  5. Step 5: Solve for x
    x = 7,410,328,141.78/117,108.88
  6. Step 6: Final answer
    x = 63,277.25

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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.