Home / 294,546.12-441,810.35-81,327.07

Finding the Fourth Proportional to 294,546.12, 441,810.35 and 81,327.07

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Solution

The fourth proportional to 294,546.12, 441,810.35 and 81,327.07 is: 121,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,546.12 : 441,810.35 = 81,327.07 : x
  2. Step 2: Convert to fraction form
    294,546.12/441,810.35 = 81,327.07/x
  3. Step 3: Cross multiply
    294,546.12x = 441,810.35 × 81,327.07
  4. Step 4: Simplify right side
    294,546.12x = 35,931,141,261.17
  5. Step 5: Solve for x
    x = 35,931,141,261.17/294,546.12
  6. Step 6: Final answer
    x = 121,988.17

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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.