Home / 207,550.54-286,441.32-127,031.68

Finding the Fourth Proportional to 207,550.54, 286,441.32 and 127,031.68

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Solution

The fourth proportional to 207,550.54, 286,441.32 and 127,031.68 is: 175,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,550.54 : 286,441.32 = 127,031.68 : x
  2. Step 2: Convert to fraction form
    207,550.54/286,441.32 = 127,031.68/x
  3. Step 3: Cross multiply
    207,550.54x = 286,441.32 × 127,031.68
  4. Step 4: Simplify right side
    207,550.54x = 36,387,122,101.02
  5. Step 5: Solve for x
    x = 36,387,122,101.02/207,550.54
  6. Step 6: Final answer
    x = 175,316.92

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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.