Home / 185,635.20-256,070.40-117,527.04

Finding the Fourth Proportional to 185,635.20, 256,070.40 and 117,527.04

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Solution

The fourth proportional to 185,635.20, 256,070.40 and 117,527.04 is: 162,120.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,635.20 : 256,070.40 = 117,527.04 : x
  2. Step 2: Convert to fraction form
    185,635.20/256,070.40 = 117,527.04/x
  3. Step 3: Cross multiply
    185,635.20x = 256,070.40 × 117,527.04
  4. Step 4: Simplify right side
    185,635.20x = 30,095,196,143.62
  5. Step 5: Solve for x
    x = 30,095,196,143.62/185,635.20
  6. Step 6: Final answer
    x = 162,120.09

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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.