Home / 211,020.07-291,205.90-114,223.45

Finding the Fourth Proportional to 211,020.07, 291,205.90 and 114,223.45

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Solution

The fourth proportional to 211,020.07, 291,205.90 and 114,223.45 is: 157,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,020.07 : 291,205.90 = 114,223.45 : x
  2. Step 2: Convert to fraction form
    211,020.07/291,205.90 = 114,223.45/x
  3. Step 3: Cross multiply
    211,020.07x = 291,205.90 × 114,223.45
  4. Step 4: Simplify right side
    211,020.07x = 33,262,542,558.36
  5. Step 5: Solve for x
    x = 33,262,542,558.36/211,020.07
  6. Step 6: Final answer
    x = 157,627.39

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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.