Home / 189,326.13-261,265.86-104,443.17

Finding the Fourth Proportional to 189,326.13, 261,265.86 and 104,443.17

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Solution

The fourth proportional to 189,326.13, 261,265.86 and 104,443.17 is: 144,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,326.13 : 261,265.86 = 104,443.17 : x
  2. Step 2: Convert to fraction form
    189,326.13/261,265.86 = 104,443.17/x
  3. Step 3: Cross multiply
    189,326.13x = 261,265.86 × 104,443.17
  4. Step 4: Simplify right side
    189,326.13x = 27,287,434,827.30
  5. Step 5: Solve for x
    x = 27,287,434,827.30/189,326.13
  6. Step 6: Final answer
    x = 144,129.26

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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.