Home / 105,840.42-146,061.66-58,098.21

Finding the Fourth Proportional to 105,840.42, 146,061.66 and 58,098.21

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Solution

The fourth proportional to 105,840.42, 146,061.66 and 58,098.21 is: 80,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,840.42 : 146,061.66 = 58,098.21 : x
  2. Step 2: Convert to fraction form
    105,840.42/146,061.66 = 58,098.21/x
  3. Step 3: Cross multiply
    105,840.42x = 146,061.66 × 58,098.21
  4. Step 4: Simplify right side
    105,840.42x = 8,485,920,265.32
  5. Step 5: Solve for x
    x = 8,485,920,265.32/105,840.42
  6. Step 6: Final answer
    x = 80,176.56

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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.