Home / 160,688.10-221,741.46-89,067.36

Finding the Fourth Proportional to 160,688.10, 221,741.46 and 89,067.36

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Solution

The fourth proportional to 160,688.10, 221,741.46 and 89,067.36 is: 122,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,688.10 : 221,741.46 = 89,067.36 : x
  2. Step 2: Convert to fraction form
    160,688.10/221,741.46 = 89,067.36/x
  3. Step 3: Cross multiply
    160,688.10x = 221,741.46 × 89,067.36
  4. Step 4: Simplify right side
    160,688.10x = 19,749,926,444.75
  5. Step 5: Solve for x
    x = 19,749,926,444.75/160,688.10
  6. Step 6: Final answer
    x = 122,908.46

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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.