Home / 318,075.17-438,945.19-174,844.44

Finding the Fourth Proportional to 318,075.17, 438,945.19 and 174,844.44

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Solution

The fourth proportional to 318,075.17, 438,945.19 and 174,844.44 is: 241,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,075.17 : 438,945.19 = 174,844.44 : x
  2. Step 2: Convert to fraction form
    318,075.17/438,945.19 = 174,844.44/x
  3. Step 3: Cross multiply
    318,075.17x = 438,945.19 × 174,844.44
  4. Step 4: Simplify right side
    318,075.17x = 76,747,125,936.24
  5. Step 5: Solve for x
    x = 76,747,125,936.24/318,075.17
  6. Step 6: Final answer
    x = 241,286.13

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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.