Home / 221,152.32-331,718.40-71,399.52

Finding the Fourth Proportional to 221,152.32, 331,718.40 and 71,399.52

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Solution

The fourth proportional to 221,152.32, 331,718.40 and 71,399.52 is: 107,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,152.32 : 331,718.40 = 71,399.52 : x
  2. Step 2: Convert to fraction form
    221,152.32/331,718.40 = 71,399.52/x
  3. Step 3: Cross multiply
    221,152.32x = 331,718.40 × 71,399.52
  4. Step 4: Simplify right side
    221,152.32x = 23,684,534,535.17
  5. Step 5: Solve for x
    x = 23,684,534,535.17/221,152.32
  6. Step 6: Final answer
    x = 107,096.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.