Home / 159,226.02-219,725.73-87,604.74

Finding the Fourth Proportional to 159,226.02, 219,725.73 and 87,604.74

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Solution

The fourth proportional to 159,226.02, 219,725.73 and 87,604.74 is: 120,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,226.02 : 219,725.73 = 87,604.74 : x
  2. Step 2: Convert to fraction form
    159,226.02/219,725.73 = 87,604.74/x
  3. Step 3: Cross multiply
    159,226.02x = 219,725.73 × 87,604.74
  4. Step 4: Simplify right side
    159,226.02x = 19,249,015,447.96
  5. Step 5: Solve for x
    x = 19,249,015,447.96/159,226.02
  6. Step 6: Final answer
    x = 120,891.14

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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.