Home / 105,902.44-146,145.36-58,156.58

Finding the Fourth Proportional to 105,902.44, 146,145.36 and 58,156.58

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Solution

The fourth proportional to 105,902.44, 146,145.36 and 58,156.58 is: 80,256.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,902.44 : 146,145.36 = 58,156.58 : x
  2. Step 2: Convert to fraction form
    105,902.44/146,145.36 = 58,156.58/x
  3. Step 3: Cross multiply
    105,902.44x = 146,145.36 × 58,156.58
  4. Step 4: Simplify right side
    105,902.44x = 8,499,314,903.92
  5. Step 5: Solve for x
    x = 8,499,314,903.92/105,902.44
  6. Step 6: Final answer
    x = 80,256.08

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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.