Home / 160,166.16-221,051.22-92,181.72

Finding the Fourth Proportional to 160,166.16, 221,051.22 and 92,181.72

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Solution

The fourth proportional to 160,166.16, 221,051.22 and 92,181.72 is: 127,223.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,166.16 : 221,051.22 = 92,181.72 : x
  2. Step 2: Convert to fraction form
    160,166.16/221,051.22 = 92,181.72/x
  3. Step 3: Cross multiply
    160,166.16x = 221,051.22 × 92,181.72
  4. Step 4: Simplify right side
    160,166.16x = 20,376,881,667.70
  5. Step 5: Solve for x
    x = 20,376,881,667.70/160,166.16
  6. Step 6: Final answer
    x = 127,223.39

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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.