Home / 223,462.46-308,384.27-121,494.78

Finding the Fourth Proportional to 223,462.46, 308,384.27 and 121,494.78

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Solution

The fourth proportional to 223,462.46, 308,384.27 and 121,494.78 is: 167,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,462.46 : 308,384.27 = 121,494.78 : x
  2. Step 2: Convert to fraction form
    223,462.46/308,384.27 = 121,494.78/x
  3. Step 3: Cross multiply
    223,462.46x = 308,384.27 × 121,494.78
  4. Step 4: Simplify right side
    223,462.46x = 37,467,079,039.11
  5. Step 5: Solve for x
    x = 37,467,079,039.11/223,462.46
  6. Step 6: Final answer
    x = 167,666.10

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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.