Home / 160,276.36-221,106.90-103,705.96

Finding the Fourth Proportional to 160,276.36, 221,106.90 and 103,705.96

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Solution

The fourth proportional to 160,276.36, 221,106.90 and 103,705.96 is: 143,066.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,276.36 : 221,106.90 = 103,705.96 : x
  2. Step 2: Convert to fraction form
    160,276.36/221,106.90 = 103,705.96/x
  3. Step 3: Cross multiply
    160,276.36x = 221,106.90 × 103,705.96
  4. Step 4: Simplify right side
    160,276.36x = 22,930,103,327.12
  5. Step 5: Solve for x
    x = 22,930,103,327.12/160,276.36
  6. Step 6: Final answer
    x = 143,066.03

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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.