Home / 456,552.12-684,921.58-156,993.80

Finding the Fourth Proportional to 456,552.12, 684,921.58 and 156,993.80

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Solution

The fourth proportional to 456,552.12, 684,921.58 and 156,993.80 is: 235,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,552.12 : 684,921.58 = 156,993.80 : x
  2. Step 2: Convert to fraction form
    456,552.12/684,921.58 = 156,993.80/x
  3. Step 3: Cross multiply
    456,552.12x = 684,921.58 × 156,993.80
  4. Step 4: Simplify right side
    456,552.12x = 107,528,438,832.97
  5. Step 5: Solve for x
    x = 107,528,438,832.97/456,552.12
  6. Step 6: Final answer
    x = 235,522.81

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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.