Home / 189,160.08-261,037.80-104,285.04

Finding the Fourth Proportional to 189,160.08, 261,037.80 and 104,285.04

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Solution

The fourth proportional to 189,160.08, 261,037.80 and 104,285.04 is: 143,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,160.08 : 261,037.80 = 104,285.04 : x
  2. Step 2: Convert to fraction form
    189,160.08/261,037.80 = 104,285.04/x
  3. Step 3: Cross multiply
    189,160.08x = 261,037.80 × 104,285.04
  4. Step 4: Simplify right side
    189,160.08x = 27,222,337,414.51
  5. Step 5: Solve for x
    x = 27,222,337,414.51/189,160.08
  6. Step 6: Final answer
    x = 143,911.64

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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.