Home / 146,833.50-202,613.04-86,390.85

Finding the Fourth Proportional to 146,833.50, 202,613.04 and 86,390.85

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Solution

The fourth proportional to 146,833.50, 202,613.04 and 86,390.85 is: 119,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,833.50 : 202,613.04 = 86,390.85 : x
  2. Step 2: Convert to fraction form
    146,833.50/202,613.04 = 86,390.85/x
  3. Step 3: Cross multiply
    146,833.50x = 202,613.04 × 86,390.85
  4. Step 4: Simplify right side
    146,833.50x = 17,503,912,746.68
  5. Step 5: Solve for x
    x = 17,503,912,746.68/146,833.50
  6. Step 6: Final answer
    x = 119,209.26

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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.