Home / 265,078.08-397,327.91-130,234.95

Finding the Fourth Proportional to 265,078.08, 397,327.91 and 130,234.95

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Solution

The fourth proportional to 265,078.08, 397,327.91 and 130,234.95 is: 195,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,078.08 : 397,327.91 = 130,234.95 : x
  2. Step 2: Convert to fraction form
    265,078.08/397,327.91 = 130,234.95/x
  3. Step 3: Cross multiply
    265,078.08x = 397,327.91 × 130,234.95
  4. Step 4: Simplify right side
    265,078.08x = 51,745,980,492.45
  5. Step 5: Solve for x
    x = 51,745,980,492.45/265,078.08
  6. Step 6: Final answer
    x = 195,210.33

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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.