Home / 456,206.20-684,017.70-190,072.60

Finding the Fourth Proportional to 456,206.20, 684,017.70 and 190,072.60

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Solution

The fourth proportional to 456,206.20, 684,017.70 and 190,072.60 is: 284,987.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,206.20 : 684,017.70 = 190,072.60 : x
  2. Step 2: Convert to fraction form
    456,206.20/684,017.70 = 190,072.60/x
  3. Step 3: Cross multiply
    456,206.20x = 684,017.70 × 190,072.60
  4. Step 4: Simplify right side
    456,206.20x = 130,013,022,685.02
  5. Step 5: Solve for x
    x = 130,013,022,685.02/456,206.20
  6. Step 6: Final answer
    x = 284,987.41

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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.