Home / 280,999.17-387,661.28-184,226.27

Finding the Fourth Proportional to 280,999.17, 387,661.28 and 184,226.27

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Solution

The fourth proportional to 280,999.17, 387,661.28 and 184,226.27 is: 254,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,999.17 : 387,661.28 = 184,226.27 : x
  2. Step 2: Convert to fraction form
    280,999.17/387,661.28 = 184,226.27/x
  3. Step 3: Cross multiply
    280,999.17x = 387,661.28 × 184,226.27
  4. Step 4: Simplify right side
    280,999.17x = 71,417,388,778.39
  5. Step 5: Solve for x
    x = 71,417,388,778.39/280,999.17
  6. Step 6: Final answer
    x = 254,155.16

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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.