Home / 291,113.07-437,001.75-195,121.55

Finding the Fourth Proportional to 291,113.07, 437,001.75 and 195,121.55

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Solution

The fourth proportional to 291,113.07, 437,001.75 and 195,121.55 is: 292,904.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,113.07 : 437,001.75 = 195,121.55 : x
  2. Step 2: Convert to fraction form
    291,113.07/437,001.75 = 195,121.55/x
  3. Step 3: Cross multiply
    291,113.07x = 437,001.75 × 195,121.55
  4. Step 4: Simplify right side
    291,113.07x = 85,268,456,627.70
  5. Step 5: Solve for x
    x = 85,268,456,627.70/291,113.07
  6. Step 6: Final answer
    x = 292,904.94

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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.