Home / 161,904.15-223,427.95-89,305.42

Finding the Fourth Proportional to 161,904.15, 223,427.95 and 89,305.42

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Solution

The fourth proportional to 161,904.15, 223,427.95 and 89,305.42 is: 123,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,904.15 : 223,427.95 = 89,305.42 : x
  2. Step 2: Convert to fraction form
    161,904.15/223,427.95 = 89,305.42/x
  3. Step 3: Cross multiply
    161,904.15x = 223,427.95 × 89,305.42
  4. Step 4: Simplify right side
    161,904.15x = 19,953,327,053.93
  5. Step 5: Solve for x
    x = 19,953,327,053.93/161,904.15
  6. Step 6: Final answer
    x = 123,241.60

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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.