Home / 120,151.44-165,802.29-66,433.23

Finding the Fourth Proportional to 120,151.44, 165,802.29 and 66,433.23

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Solution

The fourth proportional to 120,151.44, 165,802.29 and 66,433.23 is: 91,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,151.44 : 165,802.29 = 66,433.23 : x
  2. Step 2: Convert to fraction form
    120,151.44/165,802.29 = 66,433.23/x
  3. Step 3: Cross multiply
    120,151.44x = 165,802.29 × 66,433.23
  4. Step 4: Simplify right side
    120,151.44x = 11,014,781,666.10
  5. Step 5: Solve for x
    x = 11,014,781,666.10/120,151.44
  6. Step 6: Final answer
    x = 91,674.15

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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.