Home / 280,550.73-387,159.39-153,226.33

Finding the Fourth Proportional to 280,550.73, 387,159.39 and 153,226.33

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Solution

The fourth proportional to 280,550.73, 387,159.39 and 153,226.33 is: 211,452.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,550.73 : 387,159.39 = 153,226.33 : x
  2. Step 2: Convert to fraction form
    280,550.73/387,159.39 = 153,226.33/x
  3. Step 3: Cross multiply
    280,550.73x = 387,159.39 × 153,226.33
  4. Step 4: Simplify right side
    280,550.73x = 59,323,012,454.74
  5. Step 5: Solve for x
    x = 59,323,012,454.74/280,550.73
  6. Step 6: Final answer
    x = 211,452.00

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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.