Home / 222,576.04-307,153.38-121,971.88

Finding the Fourth Proportional to 222,576.04, 307,153.38 and 121,971.88

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Solution

The fourth proportional to 222,576.04, 307,153.38 and 121,971.88 is: 168,320.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,576.04 : 307,153.38 = 121,971.88 : x
  2. Step 2: Convert to fraction form
    222,576.04/307,153.38 = 121,971.88/x
  3. Step 3: Cross multiply
    222,576.04x = 307,153.38 × 121,971.88
  4. Step 4: Simplify right side
    222,576.04x = 37,464,075,206.95
  5. Step 5: Solve for x
    x = 37,464,075,206.95/222,576.04
  6. Step 6: Final answer
    x = 168,320.34

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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.