Home / 105,868.04-146,166.26-65,624.60

Finding the Fourth Proportional to 105,868.04, 146,166.26 and 65,624.60

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Solution

The fourth proportional to 105,868.04, 146,166.26 and 65,624.60 is: 90,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,868.04 : 146,166.26 = 65,624.60 : x
  2. Step 2: Convert to fraction form
    105,868.04/146,166.26 = 65,624.60/x
  3. Step 3: Cross multiply
    105,868.04x = 146,166.26 × 65,624.60
  4. Step 4: Simplify right side
    105,868.04x = 9,592,102,346.00
  5. Step 5: Solve for x
    x = 9,592,102,346.00/105,868.04
  6. Step 6: Final answer
    x = 90,604.33

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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.