Home / 189,587.52-261,634.32-104,702.76

Finding the Fourth Proportional to 189,587.52, 261,634.32 and 104,702.76

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Solution

The fourth proportional to 189,587.52, 261,634.32 and 104,702.76 is: 144,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,587.52 : 261,634.32 = 104,702.76 : x
  2. Step 2: Convert to fraction form
    189,587.52/261,634.32 = 104,702.76/x
  3. Step 3: Cross multiply
    189,587.52x = 261,634.32 × 104,702.76
  4. Step 4: Simplify right side
    189,587.52x = 27,393,835,414.72
  5. Step 5: Solve for x
    x = 27,393,835,414.72/189,587.52
  6. Step 6: Final answer
    x = 144,491.77

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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.