Home / 221,794.18-306,130.92-126,357.58

Finding the Fourth Proportional to 221,794.18, 306,130.92 and 126,357.58

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Solution

The fourth proportional to 221,794.18, 306,130.92 and 126,357.58 is: 174,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,794.18 : 306,130.92 = 126,357.58 : x
  2. Step 2: Convert to fraction form
    221,794.18/306,130.92 = 126,357.58/x
  3. Step 3: Cross multiply
    221,794.18x = 306,130.92 × 126,357.58
  4. Step 4: Simplify right side
    221,794.18x = 38,681,962,214.37
  5. Step 5: Solve for x
    x = 38,681,962,214.37/221,794.18
  6. Step 6: Final answer
    x = 174,404.77

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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.