Home / 185,818.37-256,535.58-122,340.69

Finding the Fourth Proportional to 185,818.37, 256,535.58 and 122,340.69

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Solution

The fourth proportional to 185,818.37, 256,535.58 and 122,340.69 is: 168,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,818.37 : 256,535.58 = 122,340.69 : x
  2. Step 2: Convert to fraction form
    185,818.37/256,535.58 = 122,340.69/x
  3. Step 3: Cross multiply
    185,818.37x = 256,535.58 × 122,340.69
  4. Step 4: Simplify right side
    185,818.37x = 31,384,739,866.75
  5. Step 5: Solve for x
    x = 31,384,739,866.75/185,818.37
  6. Step 6: Final answer
    x = 168,900.10

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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.