Home / 104,458.18-144,185.16-66,732.42

Finding the Fourth Proportional to 104,458.18, 144,185.16 and 66,732.42

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Solution

The fourth proportional to 104,458.18, 144,185.16 and 66,732.42 is: 92,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.18 : 144,185.16 = 66,732.42 : x
  2. Step 2: Convert to fraction form
    104,458.18/144,185.16 = 66,732.42/x
  3. Step 3: Cross multiply
    104,458.18x = 144,185.16 × 66,732.42
  4. Step 4: Simplify right side
    104,458.18x = 9,621,824,654.89
  5. Step 5: Solve for x
    x = 9,621,824,654.89/104,458.18
  6. Step 6: Final answer
    x = 92,111.74

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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.