Home / 212,987.70-293,921.10-117,495.18

Finding the Fourth Proportional to 212,987.70, 293,921.10 and 117,495.18

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Solution

The fourth proportional to 212,987.70, 293,921.10 and 117,495.18 is: 162,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,987.70 : 293,921.10 = 117,495.18 : x
  2. Step 2: Convert to fraction form
    212,987.70/293,921.10 = 117,495.18/x
  3. Step 3: Cross multiply
    212,987.70x = 293,921.10 × 117,495.18
  4. Step 4: Simplify right side
    212,987.70x = 34,534,312,550.30
  5. Step 5: Solve for x
    x = 34,534,312,550.30/212,987.70
  6. Step 6: Final answer
    x = 162,142.29

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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.