Home / 110,802.90-166,107.15-66,447.30

Finding the Fourth Proportional to 110,802.90, 166,107.15 and 66,447.30

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Solution

The fourth proportional to 110,802.90, 166,107.15 and 66,447.30 is: 99,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,802.90 : 166,107.15 = 66,447.30 : x
  2. Step 2: Convert to fraction form
    110,802.90/166,107.15 = 66,447.30/x
  3. Step 3: Cross multiply
    110,802.90x = 166,107.15 × 66,447.30
  4. Step 4: Simplify right side
    110,802.90x = 11,037,371,628.20
  5. Step 5: Solve for x
    x = 11,037,371,628.20/110,802.90
  6. Step 6: Final answer
    x = 99,612.66

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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.