Home / 160,362.34-221,303.64-103,872.04

Finding the Fourth Proportional to 160,362.34, 221,303.64 and 103,872.04

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Solution

The fourth proportional to 160,362.34, 221,303.64 and 103,872.04 is: 143,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,362.34 : 221,303.64 = 103,872.04 : x
  2. Step 2: Convert to fraction form
    160,362.34/221,303.64 = 103,872.04/x
  3. Step 3: Cross multiply
    160,362.34x = 221,303.64 × 103,872.04
  4. Step 4: Simplify right side
    160,362.34x = 22,987,260,546.23
  5. Step 5: Solve for x
    x = 22,987,260,546.23/160,362.34
  6. Step 6: Final answer
    x = 143,345.75

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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.