Home / 353,283.37-487,526.28-192,134.95

Finding the Fourth Proportional to 353,283.37, 487,526.28 and 192,134.95

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Solution

The fourth proportional to 353,283.37, 487,526.28 and 192,134.95 is: 265,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,283.37 : 487,526.28 = 192,134.95 : x
  2. Step 2: Convert to fraction form
    353,283.37/487,526.28 = 192,134.95/x
  3. Step 3: Cross multiply
    353,283.37x = 487,526.28 × 192,134.95
  4. Step 4: Simplify right side
    353,283.37x = 93,670,837,431.49
  5. Step 5: Solve for x
    x = 93,670,837,431.49/353,283.37
  6. Step 6: Final answer
    x = 265,143.64

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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.