Home / 209,075.85-288,549.41-124,193.25

Finding the Fourth Proportional to 209,075.85, 288,549.41 and 124,193.25

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Solution

The fourth proportional to 209,075.85, 288,549.41 and 124,193.25 is: 171,401.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,075.85 : 288,549.41 = 124,193.25 : x
  2. Step 2: Convert to fraction form
    209,075.85/288,549.41 = 124,193.25/x
  3. Step 3: Cross multiply
    209,075.85x = 288,549.41 × 124,193.25
  4. Step 4: Simplify right side
    209,075.85x = 35,835,888,392.52
  5. Step 5: Solve for x
    x = 35,835,888,392.52/209,075.85
  6. Step 6: Final answer
    x = 171,401.38

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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.