Home / 353,248.89-487,486.73-192,105.47

Finding the Fourth Proportional to 353,248.89, 487,486.73 and 192,105.47

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Solution

The fourth proportional to 353,248.89, 487,486.73 and 192,105.47 is: 265,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,248.89 : 487,486.73 = 192,105.47 : x
  2. Step 2: Convert to fraction form
    353,248.89/487,486.73 = 192,105.47/x
  3. Step 3: Cross multiply
    353,248.89x = 487,486.73 × 192,105.47
  4. Step 4: Simplify right side
    353,248.89x = 93,648,865,428.24
  5. Step 5: Solve for x
    x = 93,648,865,428.24/353,248.89
  6. Step 6: Final answer
    x = 265,107.32

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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.