Home / 105,961.19-146,227.53-58,215.53

Finding the Fourth Proportional to 105,961.19, 146,227.53 and 58,215.53

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Solution

The fourth proportional to 105,961.19, 146,227.53 and 58,215.53 is: 80,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.19 : 146,227.53 = 58,215.53 : x
  2. Step 2: Convert to fraction form
    105,961.19/146,227.53 = 58,215.53/x
  3. Step 3: Cross multiply
    105,961.19x = 146,227.53 × 58,215.53
  4. Step 4: Simplify right side
    105,961.19x = 8,512,712,428.40
  5. Step 5: Solve for x
    x = 8,512,712,428.40/105,961.19
  6. Step 6: Final answer
    x = 80,338.03

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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.