Home / 313,325.20-432,389.32-170,085.34

Finding the Fourth Proportional to 313,325.20, 432,389.32 and 170,085.34

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Solution

The fourth proportional to 313,325.20, 432,389.32 and 170,085.34 is: 234,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,325.20 : 432,389.32 = 170,085.34 : x
  2. Step 2: Convert to fraction form
    313,325.20/432,389.32 = 170,085.34/x
  3. Step 3: Cross multiply
    313,325.20x = 432,389.32 × 170,085.34
  4. Step 4: Simplify right side
    313,325.20x = 73,543,084,504.57
  5. Step 5: Solve for x
    x = 73,543,084,504.57/313,325.20
  6. Step 6: Final answer
    x = 234,718.06

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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.