Home / 160,370.36-221,314.70-103,880.04

Finding the Fourth Proportional to 160,370.36, 221,314.70 and 103,880.04

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Solution

The fourth proportional to 160,370.36, 221,314.70 and 103,880.04 is: 143,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,370.36 : 221,314.70 = 103,880.04 : x
  2. Step 2: Convert to fraction form
    160,370.36/221,314.70 = 103,880.04/x
  3. Step 3: Cross multiply
    160,370.36x = 221,314.70 × 103,880.04
  4. Step 4: Simplify right side
    160,370.36x = 22,990,179,888.59
  5. Step 5: Solve for x
    x = 22,990,179,888.59/160,370.36
  6. Step 6: Final answer
    x = 143,356.79

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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.