Home / 354,244.02-531,482.68-143,825.46

Finding the Fourth Proportional to 354,244.02, 531,482.68 and 143,825.46

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Solution

The fourth proportional to 354,244.02, 531,482.68 and 143,825.46 is: 215,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,244.02 : 531,482.68 = 143,825.46 : x
  2. Step 2: Convert to fraction form
    354,244.02/531,482.68 = 143,825.46/x
  3. Step 3: Cross multiply
    354,244.02x = 531,482.68 × 143,825.46
  4. Step 4: Simplify right side
    354,244.02x = 76,440,740,933.03
  5. Step 5: Solve for x
    x = 76,440,740,933.03/354,244.02
  6. Step 6: Final answer
    x = 215,785.55

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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.