Home / 109,166.14-150,641.16-61,410.28

Finding the Fourth Proportional to 109,166.14, 150,641.16 and 61,410.28

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Solution

The fourth proportional to 109,166.14, 150,641.16 and 61,410.28 is: 84,741.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,166.14 : 150,641.16 = 61,410.28 : x
  2. Step 2: Convert to fraction form
    109,166.14/150,641.16 = 61,410.28/x
  3. Step 3: Cross multiply
    109,166.14x = 150,641.16 × 61,410.28
  4. Step 4: Simplify right side
    109,166.14x = 9,250,915,815.12
  5. Step 5: Solve for x
    x = 9,250,915,815.12/109,166.14
  6. Step 6: Final answer
    x = 84,741.62

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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.