Home / 218,421.51-301,514.67-146,843.04

Finding the Fourth Proportional to 218,421.51, 301,514.67 and 146,843.04

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Solution

The fourth proportional to 218,421.51, 301,514.67 and 146,843.04 is: 202,705.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,421.51 : 301,514.67 = 146,843.04 : x
  2. Step 2: Convert to fraction form
    218,421.51/301,514.67 = 146,843.04/x
  3. Step 3: Cross multiply
    218,421.51x = 301,514.67 × 146,843.04
  4. Step 4: Simplify right side
    218,421.51x = 44,275,330,747.40
  5. Step 5: Solve for x
    x = 44,275,330,747.40/218,421.51
  6. Step 6: Final answer
    x = 202,705.91

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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.