Home / 159,074.32-219,527.34-91,113.22

Finding the Fourth Proportional to 159,074.32, 219,527.34 and 91,113.22

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Solution

The fourth proportional to 159,074.32, 219,527.34 and 91,113.22 is: 125,738.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,074.32 : 219,527.34 = 91,113.22 : x
  2. Step 2: Convert to fraction form
    159,074.32/219,527.34 = 91,113.22/x
  3. Step 3: Cross multiply
    159,074.32x = 219,527.34 × 91,113.22
  4. Step 4: Simplify right side
    159,074.32x = 20,001,842,825.43
  5. Step 5: Solve for x
    x = 20,001,842,825.43/159,074.32
  6. Step 6: Final answer
    x = 125,738.98

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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.