Home / 207,271.02-310,906.46-74,143.20

Finding the Fourth Proportional to 207,271.02, 310,906.46 and 74,143.20

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Solution

The fourth proportional to 207,271.02, 310,906.46 and 74,143.20 is: 111,214.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,271.02 : 310,906.46 = 74,143.20 : x
  2. Step 2: Convert to fraction form
    207,271.02/310,906.46 = 74,143.20/x
  3. Step 3: Cross multiply
    207,271.02x = 310,906.46 × 74,143.20
  4. Step 4: Simplify right side
    207,271.02x = 23,051,599,845.07
  5. Step 5: Solve for x
    x = 23,051,599,845.07/207,271.02
  6. Step 6: Final answer
    x = 111,214.77

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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.