Home / 212,977.18-293,908.53-117,484.12

Finding the Fourth Proportional to 212,977.18, 293,908.53 and 117,484.12

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Solution

The fourth proportional to 212,977.18, 293,908.53 and 117,484.12 is: 162,128.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,977.18 : 293,908.53 = 117,484.12 : x
  2. Step 2: Convert to fraction form
    212,977.18/293,908.53 = 117,484.12/x
  3. Step 3: Cross multiply
    212,977.18x = 293,908.53 × 117,484.12
  4. Step 4: Simplify right side
    212,977.18x = 34,529,585,007.54
  5. Step 5: Solve for x
    x = 34,529,585,007.54/212,977.18
  6. Step 6: Final answer
    x = 162,128.10

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Why These Related Problems?

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