Home / 117,116.42-161,893.04-104,494.69

Finding the Fourth Proportional to 117,116.42, 161,893.04 and 104,494.69

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Solution

The fourth proportional to 117,116.42, 161,893.04 and 104,494.69 is: 144,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,116.42 : 161,893.04 = 104,494.69 : x
  2. Step 2: Convert to fraction form
    117,116.42/161,893.04 = 104,494.69/x
  3. Step 3: Cross multiply
    117,116.42x = 161,893.04 × 104,494.69
  4. Step 4: Simplify right side
    117,116.42x = 16,916,961,696.02
  5. Step 5: Solve for x
    x = 16,916,961,696.02/117,116.42
  6. Step 6: Final answer
    x = 144,445.69

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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.