Home / 185,890.52-256,529.78-105,333.76

Finding the Fourth Proportional to 185,890.52, 256,529.78 and 105,333.76

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Solution

The fourth proportional to 185,890.52, 256,529.78 and 105,333.76 is: 145,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,890.52 : 256,529.78 = 105,333.76 : x
  2. Step 2: Convert to fraction form
    185,890.52/256,529.78 = 105,333.76/x
  3. Step 3: Cross multiply
    185,890.52x = 256,529.78 × 105,333.76
  4. Step 4: Simplify right side
    185,890.52x = 27,021,246,279.37
  5. Step 5: Solve for x
    x = 27,021,246,279.37/185,890.52
  6. Step 6: Final answer
    x = 145,361.08

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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.