Home / 285,099.04-393,278.72-183,009.88

Finding the Fourth Proportional to 285,099.04, 393,278.72 and 183,009.88

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Solution

The fourth proportional to 285,099.04, 393,278.72 and 183,009.88 is: 252,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,099.04 : 393,278.72 = 183,009.88 : x
  2. Step 2: Convert to fraction form
    285,099.04/393,278.72 = 183,009.88/x
  3. Step 3: Cross multiply
    285,099.04x = 393,278.72 × 183,009.88
  4. Step 4: Simplify right side
    285,099.04x = 71,973,891,353.75
  5. Step 5: Solve for x
    x = 71,973,891,353.75/285,099.04
  6. Step 6: Final answer
    x = 252,452.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.