Home / 170,530.38-235,396.53-134,137.62

Finding the Fourth Proportional to 170,530.38, 235,396.53 and 134,137.62

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Solution

The fourth proportional to 170,530.38, 235,396.53 and 134,137.62 is: 185,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,530.38 : 235,396.53 = 134,137.62 : x
  2. Step 2: Convert to fraction form
    170,530.38/235,396.53 = 134,137.62/x
  3. Step 3: Cross multiply
    170,530.38x = 235,396.53 × 134,137.62
  4. Step 4: Simplify right side
    170,530.38x = 31,575,530,290.46
  5. Step 5: Solve for x
    x = 31,575,530,290.46/170,530.38
  6. Step 6: Final answer
    x = 185,160.73

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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.