Home / 160,813.08-221,903.01-89,175.60

Finding the Fourth Proportional to 160,813.08, 221,903.01 and 89,175.60

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Solution

The fourth proportional to 160,813.08, 221,903.01 and 89,175.60 is: 123,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,813.08 : 221,903.01 = 89,175.60 : x
  2. Step 2: Convert to fraction form
    160,813.08/221,903.01 = 89,175.60/x
  3. Step 3: Cross multiply
    160,813.08x = 221,903.01 × 89,175.60
  4. Step 4: Simplify right side
    160,813.08x = 19,788,334,058.56
  5. Step 5: Solve for x
    x = 19,788,334,058.56/160,813.08
  6. Step 6: Final answer
    x = 123,051.77

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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.