Home / 353,155.48-487,352.12-192,010.60

Finding the Fourth Proportional to 353,155.48, 487,352.12 and 192,010.60

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Solution

The fourth proportional to 353,155.48, 487,352.12 and 192,010.60 is: 264,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,155.48 : 487,352.12 = 192,010.60 : x
  2. Step 2: Convert to fraction form
    353,155.48/487,352.12 = 192,010.60/x
  3. Step 3: Cross multiply
    353,155.48x = 487,352.12 × 192,010.60
  4. Step 4: Simplify right side
    353,155.48x = 93,576,772,972.47
  5. Step 5: Solve for x
    x = 93,576,772,972.47/353,155.48
  6. Step 6: Final answer
    x = 264,973.30

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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.