Home / 294,090.40-441,427.20-144,499.60

Finding the Fourth Proportional to 294,090.40, 441,427.20 and 144,499.60

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Solution

The fourth proportional to 294,090.40, 441,427.20 and 144,499.60 is: 216,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,090.40 : 441,427.20 = 144,499.60 : x
  2. Step 2: Convert to fraction form
    294,090.40/441,427.20 = 144,499.60/x
  3. Step 3: Cross multiply
    294,090.40x = 441,427.20 × 144,499.60
  4. Step 4: Simplify right side
    294,090.40x = 63,786,053,829.12
  5. Step 5: Solve for x
    x = 63,786,053,829.12/294,090.40
  6. Step 6: Final answer
    x = 216,892.68

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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.