Home / 104,288.38-143,841.49-68,465.32

Finding the Fourth Proportional to 104,288.38, 143,841.49 and 68,465.32

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Solution

The fourth proportional to 104,288.38, 143,841.49 and 68,465.32 is: 94,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,288.38 : 143,841.49 = 68,465.32 : x
  2. Step 2: Convert to fraction form
    104,288.38/143,841.49 = 68,465.32/x
  3. Step 3: Cross multiply
    104,288.38x = 143,841.49 × 68,465.32
  4. Step 4: Simplify right side
    104,288.38x = 9,848,153,642.13
  5. Step 5: Solve for x
    x = 9,848,153,642.13/104,288.38
  6. Step 6: Final answer
    x = 94,431.94

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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.