Home / 185,988.20-256,787.24-142,890.88

Finding the Fourth Proportional to 185,988.20, 256,787.24 and 142,890.88

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Solution

The fourth proportional to 185,988.20, 256,787.24 and 142,890.88 is: 197,284.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,988.20 : 256,787.24 = 142,890.88 : x
  2. Step 2: Convert to fraction form
    185,988.20/256,787.24 = 142,890.88/x
  3. Step 3: Cross multiply
    185,988.20x = 256,787.24 × 142,890.88
  4. Step 4: Simplify right side
    185,988.20x = 36,692,554,696.37
  5. Step 5: Solve for x
    x = 36,692,554,696.37/185,988.20
  6. Step 6: Final answer
    x = 197,284.32

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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.