Home / 185,980.38-256,654.08-109,502.34

Finding the Fourth Proportional to 185,980.38, 256,654.08 and 109,502.34

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Solution

The fourth proportional to 185,980.38, 256,654.08 and 109,502.34 is: 151,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,980.38 : 256,654.08 = 109,502.34 : x
  2. Step 2: Convert to fraction form
    185,980.38/256,654.08 = 109,502.34/x
  3. Step 3: Cross multiply
    185,980.38x = 256,654.08 × 109,502.34
  4. Step 4: Simplify right side
    185,980.38x = 28,104,222,330.55
  5. Step 5: Solve for x
    x = 28,104,222,330.55/185,980.38
  6. Step 6: Final answer
    x = 151,113.91

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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.