Home / 106,606.90-147,111.20-58,199.18

Finding the Fourth Proportional to 106,606.90, 147,111.20 and 58,199.18

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Solution

The fourth proportional to 106,606.90, 147,111.20 and 58,199.18 is: 80,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,606.90 : 147,111.20 = 58,199.18 : x
  2. Step 2: Convert to fraction form
    106,606.90/147,111.20 = 58,199.18/x
  3. Step 3: Cross multiply
    106,606.90x = 147,111.20 × 58,199.18
  4. Step 4: Simplify right side
    106,606.90x = 8,561,751,208.82
  5. Step 5: Solve for x
    x = 8,561,751,208.82/106,606.90
  6. Step 6: Final answer
    x = 80,311.42

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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.