Home / 151,557.15-209,148.44-87,932.19

Finding the Fourth Proportional to 151,557.15, 209,148.44 and 87,932.19

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Solution

The fourth proportional to 151,557.15, 209,148.44 and 87,932.19 is: 121,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,557.15 : 209,148.44 = 87,932.19 : x
  2. Step 2: Convert to fraction form
    151,557.15/209,148.44 = 87,932.19/x
  3. Step 3: Cross multiply
    151,557.15x = 209,148.44 × 87,932.19
  4. Step 4: Simplify right side
    151,557.15x = 18,390,879,924.62
  5. Step 5: Solve for x
    x = 18,390,879,924.62/151,557.15
  6. Step 6: Final answer
    x = 121,346.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.