Home / 185,785.74-256,490.55-122,308.07

Finding the Fourth Proportional to 185,785.74, 256,490.55 and 122,308.07

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Solution

The fourth proportional to 185,785.74, 256,490.55 and 122,308.07 is: 168,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,785.74 : 256,490.55 = 122,308.07 : x
  2. Step 2: Convert to fraction form
    185,785.74/256,490.55 = 122,308.07/x
  3. Step 3: Cross multiply
    185,785.74x = 256,490.55 × 122,308.07
  4. Step 4: Simplify right side
    185,785.74x = 31,370,862,861.29
  5. Step 5: Solve for x
    x = 31,370,862,861.29/185,785.74
  6. Step 6: Final answer
    x = 168,855.06

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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.