Home / 185,772.59-256,366.16-105,215.68

Finding the Fourth Proportional to 185,772.59, 256,366.16 and 105,215.68

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Solution

The fourth proportional to 185,772.59, 256,366.16 and 105,215.68 is: 145,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,772.59 : 256,366.16 = 105,215.68 : x
  2. Step 2: Convert to fraction form
    185,772.59/256,366.16 = 105,215.68/x
  3. Step 3: Cross multiply
    185,772.59x = 256,366.16 × 105,215.68
  4. Step 4: Simplify right side
    185,772.59x = 26,973,740,494.30
  5. Step 5: Solve for x
    x = 26,973,740,494.30/185,772.59
  6. Step 6: Final answer
    x = 145,197.64

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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.