Home / 223,933.32-308,966.76-155,873.88

Finding the Fourth Proportional to 223,933.32, 308,966.76 and 155,873.88

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Solution

The fourth proportional to 223,933.32, 308,966.76 and 155,873.88 is: 215,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,933.32 : 308,966.76 = 155,873.88 : x
  2. Step 2: Convert to fraction form
    223,933.32/308,966.76 = 155,873.88/x
  3. Step 3: Cross multiply
    223,933.32x = 308,966.76 × 155,873.88
  4. Step 4: Simplify right side
    223,933.32x = 48,159,847,672.23
  5. Step 5: Solve for x
    x = 48,159,847,672.23/223,933.32
  6. Step 6: Final answer
    x = 215,063.34

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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.