Home / 170,719.94-256,107.54-64,112.19

Finding the Fourth Proportional to 170,719.94, 256,107.54 and 64,112.19

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Solution

The fourth proportional to 170,719.94, 256,107.54 and 64,112.19 is: 96,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,719.94 : 256,107.54 = 64,112.19 : x
  2. Step 2: Convert to fraction form
    170,719.94/256,107.54 = 64,112.19/x
  3. Step 3: Cross multiply
    170,719.94x = 256,107.54 × 64,112.19
  4. Step 4: Simplify right side
    170,719.94x = 16,419,615,264.91
  5. Step 5: Solve for x
    x = 16,419,615,264.91/170,719.94
  6. Step 6: Final answer
    x = 96,178.66

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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.