Home / 370,690.92-556,075.26-121,392.36

Finding the Fourth Proportional to 370,690.92, 556,075.26 and 121,392.36

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Solution

The fourth proportional to 370,690.92, 556,075.26 and 121,392.36 is: 182,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,690.92 : 556,075.26 = 121,392.36 : x
  2. Step 2: Convert to fraction form
    370,690.92/556,075.26 = 121,392.36/x
  3. Step 3: Cross multiply
    370,690.92x = 556,075.26 × 121,392.36
  4. Step 4: Simplify right side
    370,690.92x = 67,503,288,149.01
  5. Step 5: Solve for x
    x = 67,503,288,149.01/370,690.92
  6. Step 6: Final answer
    x = 182,101.27

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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.