Home / 185,612.45-256,012.79-170,348.18

Finding the Fourth Proportional to 185,612.45, 256,012.79 and 170,348.18

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Solution

The fourth proportional to 185,612.45, 256,012.79 and 170,348.18 is: 234,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,612.45 : 256,012.79 = 170,348.18 : x
  2. Step 2: Convert to fraction form
    185,612.45/256,012.79 = 170,348.18/x
  3. Step 3: Cross multiply
    185,612.45x = 256,012.79 × 170,348.18
  4. Step 4: Simplify right side
    185,612.45x = 43,611,310,701.42
  5. Step 5: Solve for x
    x = 43,611,310,701.42/185,612.45
  6. Step 6: Final answer
    x = 234,958.98

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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.