Home / 157,623.82-217,519.08-86,002.30

Finding the Fourth Proportional to 157,623.82, 217,519.08 and 86,002.30

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Solution

The fourth proportional to 157,623.82, 217,519.08 and 86,002.30 is: 118,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,623.82 : 217,519.08 = 86,002.30 : x
  2. Step 2: Convert to fraction form
    157,623.82/217,519.08 = 86,002.30/x
  3. Step 3: Cross multiply
    157,623.82x = 217,519.08 × 86,002.30
  4. Step 4: Simplify right side
    157,623.82x = 18,707,141,173.88
  5. Step 5: Solve for x
    x = 18,707,141,173.88/157,623.82
  6. Step 6: Final answer
    x = 118,682.20

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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.