Home / 106,181.82-159,248.16-31,307.04

Finding the Fourth Proportional to 106,181.82, 159,248.16 and 31,307.04

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Solution

The fourth proportional to 106,181.82, 159,248.16 and 31,307.04 is: 46,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,181.82 : 159,248.16 = 31,307.04 : x
  2. Step 2: Convert to fraction form
    106,181.82/159,248.16 = 31,307.04/x
  3. Step 3: Cross multiply
    106,181.82x = 159,248.16 × 31,307.04
  4. Step 4: Simplify right side
    106,181.82x = 4,985,588,515.05
  5. Step 5: Solve for x
    x = 4,985,588,515.05/106,181.82
  6. Step 6: Final answer
    x = 46,953.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.