Home / 207,265.02-310,897.46-74,137.20

Finding the Fourth Proportional to 207,265.02, 310,897.46 and 74,137.20

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Solution

The fourth proportional to 207,265.02, 310,897.46 and 74,137.20 is: 111,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,265.02 : 310,897.46 = 74,137.20 : x
  2. Step 2: Convert to fraction form
    207,265.02/310,897.46 = 74,137.20/x
  3. Step 3: Cross multiply
    207,265.02x = 310,897.46 × 74,137.20
  4. Step 4: Simplify right side
    207,265.02x = 23,049,067,171.51
  5. Step 5: Solve for x
    x = 23,049,067,171.51/207,265.02
  6. Step 6: Final answer
    x = 111,205.77

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1.5x scale

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.