Home / 288,665.22-398,099.88-181,245.18

Finding the Fourth Proportional to 288,665.22, 398,099.88 and 181,245.18

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Solution

The fourth proportional to 288,665.22, 398,099.88 and 181,245.18 is: 249,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,665.22 : 398,099.88 = 181,245.18 : x
  2. Step 2: Convert to fraction form
    288,665.22/398,099.88 = 181,245.18/x
  3. Step 3: Cross multiply
    288,665.22x = 398,099.88 × 181,245.18
  4. Step 4: Simplify right side
    288,665.22x = 72,153,684,408.58
  5. Step 5: Solve for x
    x = 72,153,684,408.58/288,665.22
  6. Step 6: Final answer
    x = 249,956.28

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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.