Home / 105,965.16-146,296.14-70,185.84

Finding the Fourth Proportional to 105,965.16, 146,296.14 and 70,185.84

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Solution

The fourth proportional to 105,965.16, 146,296.14 and 70,185.84 is: 96,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,965.16 : 146,296.14 = 70,185.84 : x
  2. Step 2: Convert to fraction form
    105,965.16/146,296.14 = 70,185.84/x
  3. Step 3: Cross multiply
    105,965.16x = 146,296.14 × 70,185.84
  4. Step 4: Simplify right side
    105,965.16x = 10,267,917,474.66
  5. Step 5: Solve for x
    x = 10,267,917,474.66/105,965.16
  6. Step 6: Final answer
    x = 96,898.99

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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.