Home / 105,314.23-157,996.40-34,237.18

Finding the Fourth Proportional to 105,314.23, 157,996.40 and 34,237.18

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Solution

The fourth proportional to 105,314.23, 157,996.40 and 34,237.18 is: 51,363.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,314.23 : 157,996.40 = 34,237.18 : x
  2. Step 2: Convert to fraction form
    105,314.23/157,996.40 = 34,237.18/x
  3. Step 3: Cross multiply
    105,314.23x = 157,996.40 × 34,237.18
  4. Step 4: Simplify right side
    105,314.23x = 5,409,351,186.15
  5. Step 5: Solve for x
    x = 5,409,351,186.15/105,314.23
  6. Step 6: Final answer
    x = 51,363.92

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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.