Home / 248,631.84-343,021.95-162,639.93

Finding the Fourth Proportional to 248,631.84, 343,021.95 and 162,639.93

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Solution

The fourth proportional to 248,631.84, 343,021.95 and 162,639.93 is: 224,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,631.84 : 343,021.95 = 162,639.93 : x
  2. Step 2: Convert to fraction form
    248,631.84/343,021.95 = 162,639.93/x
  3. Step 3: Cross multiply
    248,631.84x = 343,021.95 × 162,639.93
  4. Step 4: Simplify right side
    248,631.84x = 55,789,065,936.46
  5. Step 5: Solve for x
    x = 55,789,065,936.46/248,631.84
  6. Step 6: Final answer
    x = 224,384.24

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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.