Home / 179,205.90-247,264.43-103,710.66

Finding the Fourth Proportional to 179,205.90, 247,264.43 and 103,710.66

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Solution

The fourth proportional to 179,205.90, 247,264.43 and 103,710.66 is: 143,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,205.90 : 247,264.43 = 103,710.66 : x
  2. Step 2: Convert to fraction form
    179,205.90/247,264.43 = 103,710.66/x
  3. Step 3: Cross multiply
    179,205.90x = 247,264.43 × 103,710.66
  4. Step 4: Simplify right side
    179,205.90x = 25,643,955,784.03
  5. Step 5: Solve for x
    x = 25,643,955,784.03/179,205.90
  6. Step 6: Final answer
    x = 143,097.72

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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.