Home / 158,091.72-218,104.20-97,556.88

Finding the Fourth Proportional to 158,091.72, 218,104.20 and 97,556.88

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Solution

The fourth proportional to 158,091.72, 218,104.20 and 97,556.88 is: 134,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,091.72 : 218,104.20 = 97,556.88 : x
  2. Step 2: Convert to fraction form
    158,091.72/218,104.20 = 97,556.88/x
  3. Step 3: Cross multiply
    158,091.72x = 218,104.20 × 97,556.88
  4. Step 4: Simplify right side
    158,091.72x = 21,277,565,266.90
  5. Step 5: Solve for x
    x = 21,277,565,266.90/158,091.72
  6. Step 6: Final answer
    x = 134,590.00

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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.