Home / 169,739.84-234,143.55-105,966.92

Finding the Fourth Proportional to 169,739.84, 234,143.55 and 105,966.92

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Solution

The fourth proportional to 169,739.84, 234,143.55 and 105,966.92 is: 146,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,739.84 : 234,143.55 = 105,966.92 : x
  2. Step 2: Convert to fraction form
    169,739.84/234,143.55 = 105,966.92/x
  3. Step 3: Cross multiply
    169,739.84x = 234,143.55 × 105,966.92
  4. Step 4: Simplify right side
    169,739.84x = 24,811,471,416.72
  5. Step 5: Solve for x
    x = 24,811,471,416.72/169,739.84
  6. Step 6: Final answer
    x = 146,173.53

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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.