Home / 192,628.01-288,985.76-103,879.55

Finding the Fourth Proportional to 192,628.01, 288,985.76 and 103,879.55

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Solution

The fourth proportional to 192,628.01, 288,985.76 and 103,879.55 is: 155,842.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,628.01 : 288,985.76 = 103,879.55 : x
  2. Step 2: Convert to fraction form
    192,628.01/288,985.76 = 103,879.55/x
  3. Step 3: Cross multiply
    192,628.01x = 288,985.76 × 103,879.55
  4. Step 4: Simplify right side
    192,628.01x = 30,019,710,705.21
  5. Step 5: Solve for x
    x = 30,019,710,705.21/192,628.01
  6. Step 6: Final answer
    x = 155,842.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.