Home / 160,327.84-221,212.60-103,671.04

Finding the Fourth Proportional to 160,327.84, 221,212.60 and 103,671.04

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Solution

The fourth proportional to 160,327.84, 221,212.60 and 103,671.04 is: 143,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,327.84 : 221,212.60 = 103,671.04 : x
  2. Step 2: Convert to fraction form
    160,327.84/221,212.60 = 103,671.04/x
  3. Step 3: Cross multiply
    160,327.84x = 221,212.60 × 103,671.04
  4. Step 4: Simplify right side
    160,327.84x = 22,933,340,303.10
  5. Step 5: Solve for x
    x = 22,933,340,303.10/160,327.84
  6. Step 6: Final answer
    x = 143,040.29

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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.