Home / 456,197.40-684,231.30-140,686.20

Finding the Fourth Proportional to 456,197.40, 684,231.30 and 140,686.20

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Solution

The fourth proportional to 456,197.40, 684,231.30 and 140,686.20 is: 211,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,197.40 : 684,231.30 = 140,686.20 : x
  2. Step 2: Convert to fraction form
    456,197.40/684,231.30 = 140,686.20/x
  3. Step 3: Cross multiply
    456,197.40x = 684,231.30 × 140,686.20
  4. Step 4: Simplify right side
    456,197.40x = 96,261,901,518.06
  5. Step 5: Solve for x
    x = 96,261,901,518.06/456,197.40
  6. Step 6: Final answer
    x = 211,009.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.