Home / 221,827.68-306,134.64-146,322.72

Finding the Fourth Proportional to 221,827.68, 306,134.64 and 146,322.72

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Solution

The fourth proportional to 221,827.68, 306,134.64 and 146,322.72 is: 201,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,827.68 : 306,134.64 = 146,322.72 : x
  2. Step 2: Convert to fraction form
    221,827.68/306,134.64 = 146,322.72/x
  3. Step 3: Cross multiply
    221,827.68x = 306,134.64 × 146,322.72
  4. Step 4: Simplify right side
    221,827.68x = 44,794,453,211.02
  5. Step 5: Solve for x
    x = 44,794,453,211.02/221,827.68
  6. Step 6: Final answer
    x = 201,933.56

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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.