Home / 104,214.40-143,815.26-58,907.05

Finding the Fourth Proportional to 104,214.40, 143,815.26 and 58,907.05

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Solution

The fourth proportional to 104,214.40, 143,815.26 and 58,907.05 is: 81,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,214.40 : 143,815.26 = 58,907.05 : x
  2. Step 2: Convert to fraction form
    104,214.40/143,815.26 = 58,907.05/x
  3. Step 3: Cross multiply
    104,214.40x = 143,815.26 × 58,907.05
  4. Step 4: Simplify right side
    104,214.40x = 8,471,732,711.58
  5. Step 5: Solve for x
    x = 8,471,732,711.58/104,214.40
  6. Step 6: Final answer
    x = 81,291.38

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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.