Home / 186,134.37-256,864.28-101,251.77

Finding the Fourth Proportional to 186,134.37, 256,864.28 and 101,251.77

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Solution

The fourth proportional to 186,134.37, 256,864.28 and 101,251.77 is: 139,726.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,134.37 : 256,864.28 = 101,251.77 : x
  2. Step 2: Convert to fraction form
    186,134.37/256,864.28 = 101,251.77/x
  3. Step 3: Cross multiply
    186,134.37x = 256,864.28 × 101,251.77
  4. Step 4: Simplify right side
    186,134.37x = 26,007,962,493.52
  5. Step 5: Solve for x
    x = 26,007,962,493.52/186,134.37
  6. Step 6: Final answer
    x = 139,726.81

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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.