Home / 175,382.82-242,042.58-103,751.28

Finding the Fourth Proportional to 175,382.82, 242,042.58 and 103,751.28

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Solution

The fourth proportional to 175,382.82, 242,042.58 and 103,751.28 is: 143,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,382.82 : 242,042.58 = 103,751.28 : x
  2. Step 2: Convert to fraction form
    175,382.82/242,042.58 = 103,751.28/x
  3. Step 3: Cross multiply
    175,382.82x = 242,042.58 × 103,751.28
  4. Step 4: Simplify right side
    175,382.82x = 25,112,227,489.50
  5. Step 5: Solve for x
    x = 25,112,227,489.50/175,382.82
  6. Step 6: Final answer
    x = 143,185.22

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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.