Home / 353,526.30-487,876.47-192,391.56

Finding the Fourth Proportional to 353,526.30, 487,876.47 and 192,391.56

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Solution

The fourth proportional to 353,526.30, 487,876.47 and 192,391.56 is: 265,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,526.30 : 487,876.47 = 192,391.56 : x
  2. Step 2: Convert to fraction form
    353,526.30/487,876.47 = 192,391.56/x
  3. Step 3: Cross multiply
    353,526.30x = 487,876.47 × 192,391.56
  4. Step 4: Simplify right side
    353,526.30x = 93,863,315,150.59
  5. Step 5: Solve for x
    x = 93,863,315,150.59/353,526.30
  6. Step 6: Final answer
    x = 265,505.89

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1.5x scale

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.