Home / 208,100.95-312,151.57-50,329.55

Finding the Fourth Proportional to 208,100.95, 312,151.57 and 50,329.55

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Solution

The fourth proportional to 208,100.95, 312,151.57 and 50,329.55 is: 75,494.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,100.95 : 312,151.57 = 50,329.55 : x
  2. Step 2: Convert to fraction form
    208,100.95/312,151.57 = 50,329.55/x
  3. Step 3: Cross multiply
    208,100.95x = 312,151.57 × 50,329.55
  4. Step 4: Simplify right side
    208,100.95x = 15,710,447,924.07
  5. Step 5: Solve for x
    x = 15,710,447,924.07/208,100.95
  6. Step 6: Final answer
    x = 75,494.36

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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.