Home / 354,075.12-531,269.67-185,555.38

Finding the Fourth Proportional to 354,075.12, 531,269.67 and 185,555.38

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Solution

The fourth proportional to 354,075.12, 531,269.67 and 185,555.38 is: 278,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,075.12 : 531,269.67 = 185,555.38 : x
  2. Step 2: Convert to fraction form
    354,075.12/531,269.67 = 185,555.38/x
  3. Step 3: Cross multiply
    354,075.12x = 531,269.67 × 185,555.38
  4. Step 4: Simplify right side
    354,075.12x = 98,579,946,313.56
  5. Step 5: Solve for x
    x = 98,579,946,313.56/354,075.12
  6. Step 6: Final answer
    x = 278,415.34

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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.