Home / 102,266.88-141,171.84-68,752.32

Finding the Fourth Proportional to 102,266.88, 141,171.84 and 68,752.32

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Solution

The fourth proportional to 102,266.88, 141,171.84 and 68,752.32 is: 94,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,266.88 : 141,171.84 = 68,752.32 : x
  2. Step 2: Convert to fraction form
    102,266.88/141,171.84 = 68,752.32/x
  3. Step 3: Cross multiply
    102,266.88x = 141,171.84 × 68,752.32
  4. Step 4: Simplify right side
    102,266.88x = 9,705,891,518.67
  5. Step 5: Solve for x
    x = 9,705,891,518.67/102,266.88
  6. Step 6: Final answer
    x = 94,907.48

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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.