Home / 169,739.10-234,142.52-105,966.18

Finding the Fourth Proportional to 169,739.10, 234,142.52 and 105,966.18

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Solution

The fourth proportional to 169,739.10, 234,142.52 and 105,966.18 is: 146,172.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,739.10 : 234,142.52 = 105,966.18 : x
  2. Step 2: Convert to fraction form
    169,739.10/234,142.52 = 105,966.18/x
  3. Step 3: Cross multiply
    169,739.10x = 234,142.52 × 105,966.18
  4. Step 4: Simplify right side
    169,739.10x = 24,811,187,890.14
  5. Step 5: Solve for x
    x = 24,811,187,890.14/169,739.10
  6. Step 6: Final answer
    x = 146,172.50

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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.