Home / 280,930.23-387,789.14-184,140.32

Finding the Fourth Proportional to 280,930.23, 387,789.14 and 184,140.32

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Solution

The fourth proportional to 280,930.23, 387,789.14 and 184,140.32 is: 254,182.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,930.23 : 387,789.14 = 184,140.32 : x
  2. Step 2: Convert to fraction form
    280,930.23/387,789.14 = 184,140.32/x
  3. Step 3: Cross multiply
    280,930.23x = 387,789.14 × 184,140.32
  4. Step 4: Simplify right side
    280,930.23x = 71,407,616,332.12
  5. Step 5: Solve for x
    x = 71,407,616,332.12/280,930.23
  6. Step 6: Final answer
    x = 254,182.74

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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.