Home / 256,330.60-384,535.86-123,186.04

Finding the Fourth Proportional to 256,330.60, 384,535.86 and 123,186.04

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Solution

The fourth proportional to 256,330.60, 384,535.86 and 123,186.04 is: 184,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,330.60 : 384,535.86 = 123,186.04 : x
  2. Step 2: Convert to fraction form
    256,330.60/384,535.86 = 123,186.04/x
  3. Step 3: Cross multiply
    256,330.60x = 384,535.86 × 123,186.04
  4. Step 4: Simplify right side
    256,330.60x = 47,369,449,831.39
  5. Step 5: Solve for x
    x = 47,369,449,831.39/256,330.60
  6. Step 6: Final answer
    x = 184,798.26

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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.