Home / 456,214.67-684,307.83-189,968.48

Finding the Fourth Proportional to 456,214.67, 684,307.83 and 189,968.48

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Solution

The fourth proportional to 456,214.67, 684,307.83 and 189,968.48 is: 284,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,214.67 : 684,307.83 = 189,968.48 : x
  2. Step 2: Convert to fraction form
    456,214.67/684,307.83 = 189,968.48/x
  3. Step 3: Cross multiply
    456,214.67x = 684,307.83 × 189,968.48
  4. Step 4: Simplify right side
    456,214.67x = 129,996,918,317.20
  5. Step 5: Solve for x
    x = 129,996,918,317.20/456,214.67
  6. Step 6: Final answer
    x = 284,946.82

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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.