Home / 185,893.35-256,532.18-105,336.23

Finding the Fourth Proportional to 185,893.35, 256,532.18 and 105,336.23

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Solution

The fourth proportional to 185,893.35, 256,532.18 and 105,336.23 is: 145,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,893.35 : 256,532.18 = 105,336.23 : x
  2. Step 2: Convert to fraction form
    185,893.35/256,532.18 = 105,336.23/x
  3. Step 3: Cross multiply
    185,893.35x = 256,532.18 × 105,336.23
  4. Step 4: Simplify right side
    185,893.35x = 27,022,132,941.05
  5. Step 5: Solve for x
    x = 27,022,132,941.05/185,893.35
  6. Step 6: Final answer
    x = 145,363.64

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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.