Home / 223,327.26-308,352.51-137,401.86

Finding the Fourth Proportional to 223,327.26, 308,352.51 and 137,401.86

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Solution

The fourth proportional to 223,327.26, 308,352.51 and 137,401.86 is: 189,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,327.26 : 308,352.51 = 137,401.86 : x
  2. Step 2: Convert to fraction form
    223,327.26/308,352.51 = 137,401.86/x
  3. Step 3: Cross multiply
    223,327.26x = 308,352.51 × 137,401.86
  4. Step 4: Simplify right side
    223,327.26x = 42,368,208,409.67
  5. Step 5: Solve for x
    x = 42,368,208,409.67/223,327.26
  6. Step 6: Final answer
    x = 189,713.55

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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.