Home / 223,904.08-309,049.32-152,403.76

Finding the Fourth Proportional to 223,904.08, 309,049.32 and 152,403.76

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Solution

The fourth proportional to 223,904.08, 309,049.32 and 152,403.76 is: 210,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,904.08 : 309,049.32 = 152,403.76 : x
  2. Step 2: Convert to fraction form
    223,904.08/309,049.32 = 152,403.76/x
  3. Step 3: Cross multiply
    223,904.08x = 309,049.32 × 152,403.76
  4. Step 4: Simplify right side
    223,904.08x = 47,100,278,393.44
  5. Step 5: Solve for x
    x = 47,100,278,393.44/223,904.08
  6. Step 6: Final answer
    x = 210,359.18

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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.