Home / 298,784.02-412,316.50-162,819.14

Finding the Fourth Proportional to 298,784.02, 412,316.50 and 162,819.14

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Solution

The fourth proportional to 298,784.02, 412,316.50 and 162,819.14 is: 224,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,784.02 : 412,316.50 = 162,819.14 : x
  2. Step 2: Convert to fraction form
    298,784.02/412,316.50 = 162,819.14/x
  3. Step 3: Cross multiply
    298,784.02x = 412,316.50 × 162,819.14
  4. Step 4: Simplify right side
    298,784.02x = 67,133,017,937.81
  5. Step 5: Solve for x
    x = 67,133,017,937.81/298,784.02
  6. Step 6: Final answer
    x = 224,687.44

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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.