Home / 106,343.96-146,728.98-70,041.56

Finding the Fourth Proportional to 106,343.96, 146,728.98 and 70,041.56

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Solution

The fourth proportional to 106,343.96, 146,728.98 and 70,041.56 is: 96,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,343.96 : 146,728.98 = 70,041.56 : x
  2. Step 2: Convert to fraction form
    106,343.96/146,728.98 = 70,041.56/x
  3. Step 3: Cross multiply
    106,343.96x = 146,728.98 × 70,041.56
  4. Step 4: Simplify right side
    106,343.96x = 10,277,125,922.76
  5. Step 5: Solve for x
    x = 10,277,125,922.76/106,343.96
  6. Step 6: Final answer
    x = 96,640.43

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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.