Home / 236,783.14-326,765.55-129,360.13

Finding the Fourth Proportional to 236,783.14, 326,765.55 and 129,360.13

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Solution

The fourth proportional to 236,783.14, 326,765.55 and 129,360.13 is: 178,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,783.14 : 326,765.55 = 129,360.13 : x
  2. Step 2: Convert to fraction form
    236,783.14/326,765.55 = 129,360.13/x
  3. Step 3: Cross multiply
    236,783.14x = 326,765.55 × 129,360.13
  4. Step 4: Simplify right side
    236,783.14x = 42,270,434,027.52
  5. Step 5: Solve for x
    x = 42,270,434,027.52/236,783.14
  6. Step 6: Final answer
    x = 178,519.61

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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.