Home / 155,985.96-234,020.43-49,371.96

Finding the Fourth Proportional to 155,985.96, 234,020.43 and 49,371.96

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Solution

The fourth proportional to 155,985.96, 234,020.43 and 49,371.96 is: 74,071.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,985.96 : 234,020.43 = 49,371.96 : x
  2. Step 2: Convert to fraction form
    155,985.96/234,020.43 = 49,371.96/x
  3. Step 3: Cross multiply
    155,985.96x = 234,020.43 × 49,371.96
  4. Step 4: Simplify right side
    155,985.96x = 11,554,047,309.14
  5. Step 5: Solve for x
    x = 11,554,047,309.14/155,985.96
  6. Step 6: Final answer
    x = 74,071.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.