Home / 169,940.68-234,567.44-105,429.58

Finding the Fourth Proportional to 169,940.68, 234,567.44 and 105,429.58

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Solution

The fourth proportional to 169,940.68, 234,567.44 and 105,429.58 is: 145,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,940.68 : 234,567.44 = 105,429.58 : x
  2. Step 2: Convert to fraction form
    169,940.68/234,567.44 = 105,429.58/x
  3. Step 3: Cross multiply
    169,940.68x = 234,567.44 × 105,429.58
  4. Step 4: Simplify right side
    169,940.68x = 24,730,346,153.73
  5. Step 5: Solve for x
    x = 24,730,346,153.73/169,940.68
  6. Step 6: Final answer
    x = 145,523.40

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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.