Home / 218,068.02-327,038.82-84,918.60

Finding the Fourth Proportional to 218,068.02, 327,038.82 and 84,918.60

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Solution

The fourth proportional to 218,068.02, 327,038.82 and 84,918.60 is: 127,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,068.02 : 327,038.82 = 84,918.60 : x
  2. Step 2: Convert to fraction form
    218,068.02/327,038.82 = 84,918.60/x
  3. Step 3: Cross multiply
    218,068.02x = 327,038.82 × 84,918.60
  4. Step 4: Simplify right side
    218,068.02x = 27,771,678,740.05
  5. Step 5: Solve for x
    x = 27,771,678,740.05/218,068.02
  6. Step 6: Final answer
    x = 127,353.29

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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.