Home / 201,109.12-277,514.40-116,231.68

Finding the Fourth Proportional to 201,109.12, 277,514.40 and 116,231.68

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Solution

The fourth proportional to 201,109.12, 277,514.40 and 116,231.68 is: 160,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,109.12 : 277,514.40 = 116,231.68 : x
  2. Step 2: Convert to fraction form
    201,109.12/277,514.40 = 116,231.68/x
  3. Step 3: Cross multiply
    201,109.12x = 277,514.40 × 116,231.68
  4. Step 4: Simplify right side
    201,109.12x = 32,255,964,936.19
  5. Step 5: Solve for x
    x = 32,255,964,936.19/201,109.12
  6. Step 6: Final answer
    x = 160,390.36

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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.