Home / 189,355.02-261,310.77-104,474.58

Finding the Fourth Proportional to 189,355.02, 261,310.77 and 104,474.58

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Solution

The fourth proportional to 189,355.02, 261,310.77 and 104,474.58 is: 144,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,355.02 : 261,310.77 = 104,474.58 : x
  2. Step 2: Convert to fraction form
    189,355.02/261,310.77 = 104,474.58/x
  3. Step 3: Cross multiply
    189,355.02x = 261,310.77 × 104,474.58
  4. Step 4: Simplify right side
    189,355.02x = 27,300,332,945.23
  5. Step 5: Solve for x
    x = 27,300,332,945.23/189,355.02
  6. Step 6: Final answer
    x = 144,175.39

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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.