Home / 185,972.52-256,643.70-101,089.56

Finding the Fourth Proportional to 185,972.52, 256,643.70 and 101,089.56

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Solution

The fourth proportional to 185,972.52, 256,643.70 and 101,089.56 is: 139,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,972.52 : 256,643.70 = 101,089.56 : x
  2. Step 2: Convert to fraction form
    185,972.52/256,643.70 = 101,089.56/x
  3. Step 3: Cross multiply
    185,972.52x = 256,643.70 × 101,089.56
  4. Step 4: Simplify right side
    185,972.52x = 25,943,998,709.77
  5. Step 5: Solve for x
    x = 25,943,998,709.77/185,972.52
  6. Step 6: Final answer
    x = 139,504.47

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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.