Home / 336,182.60-463,981.40-221,442.86

Finding the Fourth Proportional to 336,182.60, 463,981.40 and 221,442.86

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Solution

The fourth proportional to 336,182.60, 463,981.40 and 221,442.86 is: 305,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,182.60 : 463,981.40 = 221,442.86 : x
  2. Step 2: Convert to fraction form
    336,182.60/463,981.40 = 221,442.86/x
  3. Step 3: Cross multiply
    336,182.60x = 463,981.40 × 221,442.86
  4. Step 4: Simplify right side
    336,182.60x = 102,745,364,775.68
  5. Step 5: Solve for x
    x = 102,745,364,775.68/336,182.60
  6. Step 6: Final answer
    x = 305,623.69

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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.