Home / 105,806.18-146,010.30-60,486.68

Finding the Fourth Proportional to 105,806.18, 146,010.30 and 60,486.68

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Solution

The fourth proportional to 105,806.18, 146,010.30 and 60,486.68 is: 83,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,806.18 : 146,010.30 = 60,486.68 : x
  2. Step 2: Convert to fraction form
    105,806.18/146,010.30 = 60,486.68/x
  3. Step 3: Cross multiply
    105,806.18x = 146,010.30 × 60,486.68
  4. Step 4: Simplify right side
    105,806.18x = 8,831,678,431.00
  5. Step 5: Solve for x
    x = 8,831,678,431.00/105,806.18
  6. Step 6: Final answer
    x = 83,470.34

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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.