Home / 210,431.22-290,403.54-114,941.94

Finding the Fourth Proportional to 210,431.22, 290,403.54 and 114,941.94

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Solution

The fourth proportional to 210,431.22, 290,403.54 and 114,941.94 is: 158,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,431.22 : 290,403.54 = 114,941.94 : x
  2. Step 2: Convert to fraction form
    210,431.22/290,403.54 = 114,941.94/x
  3. Step 3: Cross multiply
    210,431.22x = 290,403.54 × 114,941.94
  4. Step 4: Simplify right side
    210,431.22x = 33,379,546,270.47
  5. Step 5: Solve for x
    x = 33,379,546,270.47/210,431.22
  6. Step 6: Final answer
    x = 158,624.50

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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.