Home / 320,869.97-442,846.89-184,877.86

Finding the Fourth Proportional to 320,869.97, 442,846.89 and 184,877.86

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Solution

The fourth proportional to 320,869.97, 442,846.89 and 184,877.86 is: 255,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,869.97 : 442,846.89 = 184,877.86 : x
  2. Step 2: Convert to fraction form
    320,869.97/442,846.89 = 184,877.86/x
  3. Step 3: Cross multiply
    320,869.97x = 442,846.89 × 184,877.86
  4. Step 4: Simplify right side
    320,869.97x = 81,872,585,330.86
  5. Step 5: Solve for x
    x = 81,872,585,330.86/320,869.97
  6. Step 6: Final answer
    x = 255,158.14

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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.