Home / 212,575.02-318,880.89-54,802.14

Finding the Fourth Proportional to 212,575.02, 318,880.89 and 54,802.14

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Solution

The fourth proportional to 212,575.02, 318,880.89 and 54,802.14 is: 82,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,575.02 : 318,880.89 = 54,802.14 : x
  2. Step 2: Convert to fraction form
    212,575.02/318,880.89 = 54,802.14/x
  3. Step 3: Cross multiply
    212,575.02x = 318,880.89 × 54,802.14
  4. Step 4: Simplify right side
    212,575.02x = 17,475,355,177.10
  5. Step 5: Solve for x
    x = 17,475,355,177.10/212,575.02
  6. Step 6: Final answer
    x = 82,207.94

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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.