Home / 104,230.10-143,838.42-61,198.40

Finding the Fourth Proportional to 104,230.10, 143,838.42 and 61,198.40

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Solution

The fourth proportional to 104,230.10, 143,838.42 and 61,198.40 is: 84,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,230.10 : 143,838.42 = 61,198.40 : x
  2. Step 2: Convert to fraction form
    104,230.10/143,838.42 = 61,198.40/x
  3. Step 3: Cross multiply
    104,230.10x = 143,838.42 × 61,198.40
  4. Step 4: Simplify right side
    104,230.10x = 8,802,681,162.53
  5. Step 5: Solve for x
    x = 8,802,681,162.53/104,230.10
  6. Step 6: Final answer
    x = 84,454.31

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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.