Home / 170,644.19-255,966.37-70,777.55

Finding the Fourth Proportional to 170,644.19, 255,966.37 and 70,777.55

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Solution

The fourth proportional to 170,644.19, 255,966.37 and 70,777.55 is: 106,166.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,644.19 : 255,966.37 = 70,777.55 : x
  2. Step 2: Convert to fraction form
    170,644.19/255,966.37 = 70,777.55/x
  3. Step 3: Cross multiply
    170,644.19x = 255,966.37 × 70,777.55
  4. Step 4: Simplify right side
    170,644.19x = 18,116,673,013.97
  5. Step 5: Solve for x
    x = 18,116,673,013.97/170,644.19
  6. Step 6: Final answer
    x = 106,166.37

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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.