Home / 353,259.93-487,494.08-192,111.55

Finding the Fourth Proportional to 353,259.93, 487,494.08 and 192,111.55

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Solution

The fourth proportional to 353,259.93, 487,494.08 and 192,111.55 is: 265,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,259.93 : 487,494.08 = 192,111.55 : x
  2. Step 2: Convert to fraction form
    353,259.93/487,494.08 = 192,111.55/x
  3. Step 3: Cross multiply
    353,259.93x = 487,494.08 × 192,111.55
  4. Step 4: Simplify right side
    353,259.93x = 93,653,241,865.75
  5. Step 5: Solve for x
    x = 93,653,241,865.75/353,259.93
  6. Step 6: Final answer
    x = 265,111.42

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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.