Home / 102,267.38-141,172.53-68,752.82

Finding the Fourth Proportional to 102,267.38, 141,172.53 and 68,752.82

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Solution

The fourth proportional to 102,267.38, 141,172.53 and 68,752.82 is: 94,908.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,267.38 : 141,172.53 = 68,752.82 : x
  2. Step 2: Convert to fraction form
    102,267.38/141,172.53 = 68,752.82/x
  3. Step 3: Cross multiply
    102,267.38x = 141,172.53 × 68,752.82
  4. Step 4: Simplify right side
    102,267.38x = 9,706,009,544.03
  5. Step 5: Solve for x
    x = 9,706,009,544.03/102,267.38
  6. Step 6: Final answer
    x = 94,908.17

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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.