Home / 265,233.24-397,913.04-78,244.92

Finding the Fourth Proportional to 265,233.24, 397,913.04 and 78,244.92

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Solution

The fourth proportional to 265,233.24, 397,913.04 and 78,244.92 is: 117,386.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,233.24 : 397,913.04 = 78,244.92 : x
  2. Step 2: Convert to fraction form
    265,233.24/397,913.04 = 78,244.92/x
  3. Step 3: Cross multiply
    265,233.24x = 397,913.04 × 78,244.92
  4. Step 4: Simplify right side
    265,233.24x = 31,134,673,981.76
  5. Step 5: Solve for x
    x = 31,134,673,981.76/265,233.24
  6. Step 6: Final answer
    x = 117,386.02

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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.