Home / 221,635.35-305,649.18-176,462.46

Finding the Fourth Proportional to 221,635.35, 305,649.18 and 176,462.46

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Solution

The fourth proportional to 221,635.35, 305,649.18 and 176,462.46 is: 243,352.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,635.35 : 305,649.18 = 176,462.46 : x
  2. Step 2: Convert to fraction form
    221,635.35/305,649.18 = 176,462.46/x
  3. Step 3: Cross multiply
    221,635.35x = 305,649.18 × 176,462.46
  4. Step 4: Simplify right side
    221,635.35x = 53,935,606,199.78
  5. Step 5: Solve for x
    x = 53,935,606,199.78/221,635.35
  6. Step 6: Final answer
    x = 243,352.90

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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.