Home / 211,433.86-291,792.02-115,940.56

Finding the Fourth Proportional to 211,433.86, 291,792.02 and 115,940.56

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Solution

The fourth proportional to 211,433.86, 291,792.02 and 115,940.56 is: 160,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,433.86 : 291,792.02 = 115,940.56 : x
  2. Step 2: Convert to fraction form
    211,433.86/291,792.02 = 115,940.56/x
  3. Step 3: Cross multiply
    211,433.86x = 291,792.02 × 115,940.56
  4. Step 4: Simplify right side
    211,433.86x = 33,830,529,520.41
  5. Step 5: Solve for x
    x = 33,830,529,520.41/211,433.86
  6. Step 6: Final answer
    x = 160,005.26

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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.