Home / 256,001.40-384,086.34-121,123.44

Finding the Fourth Proportional to 256,001.40, 384,086.34 and 121,123.44

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Solution

The fourth proportional to 256,001.40, 384,086.34 and 121,123.44 is: 181,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,001.40 : 384,086.34 = 121,123.44 : x
  2. Step 2: Convert to fraction form
    256,001.40/384,086.34 = 121,123.44/x
  3. Step 3: Cross multiply
    256,001.40x = 384,086.34 × 121,123.44
  4. Step 4: Simplify right side
    256,001.40x = 46,521,858,757.81
  5. Step 5: Solve for x
    x = 46,521,858,757.81/256,001.40
  6. Step 6: Final answer
    x = 181,725.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.