Home / 235,415.81-353,070.51-66,932.43

Finding the Fourth Proportional to 235,415.81, 353,070.51 and 66,932.43

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Solution

The fourth proportional to 235,415.81, 353,070.51 and 66,932.43 is: 100,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,415.81 : 353,070.51 = 66,932.43 : x
  2. Step 2: Convert to fraction form
    235,415.81/353,070.51 = 66,932.43/x
  3. Step 3: Cross multiply
    235,415.81x = 353,070.51 × 66,932.43
  4. Step 4: Simplify right side
    235,415.81x = 23,631,866,944.64
  5. Step 5: Solve for x
    x = 23,631,866,944.64/235,415.81
  6. Step 6: Final answer
    x = 100,383.52

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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.