Home / 256,790.28-385,233.66-116,558.76

Finding the Fourth Proportional to 256,790.28, 385,233.66 and 116,558.76

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Solution

The fourth proportional to 256,790.28, 385,233.66 and 116,558.76 is: 174,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,790.28 : 385,233.66 = 116,558.76 : x
  2. Step 2: Convert to fraction form
    256,790.28/385,233.66 = 116,558.76/x
  3. Step 3: Cross multiply
    256,790.28x = 385,233.66 × 116,558.76
  4. Step 4: Simplify right side
    256,790.28x = 44,902,357,719.86
  5. Step 5: Solve for x
    x = 44,902,357,719.86/256,790.28
  6. Step 6: Final answer
    x = 174,860.04

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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.