Home / 353,147.60-487,357.82-192,002.16

Finding the Fourth Proportional to 353,147.60, 487,357.82 and 192,002.16

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Solution

The fourth proportional to 353,147.60, 487,357.82 and 192,002.16 is: 264,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,147.60 : 487,357.82 = 192,002.16 : x
  2. Step 2: Convert to fraction form
    353,147.60/487,357.82 = 192,002.16/x
  3. Step 3: Cross multiply
    353,147.60x = 487,357.82 × 192,002.16
  4. Step 4: Simplify right side
    353,147.60x = 93,573,754,132.89
  5. Step 5: Solve for x
    x = 93,573,754,132.89/353,147.60
  6. Step 6: Final answer
    x = 264,970.66

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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.