Home / 349,042.50-523,263.89-121,308.53

Finding the Fourth Proportional to 349,042.50, 523,263.89 and 121,308.53

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Solution

The fourth proportional to 349,042.50, 523,263.89 and 121,308.53 is: 181,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,042.50 : 523,263.89 = 121,308.53 : x
  2. Step 2: Convert to fraction form
    349,042.50/523,263.89 = 121,308.53/x
  3. Step 3: Cross multiply
    349,042.50x = 523,263.89 × 121,308.53
  4. Step 4: Simplify right side
    349,042.50x = 63,476,372,452.49
  5. Step 5: Solve for x
    x = 63,476,372,452.49/349,042.50
  6. Step 6: Final answer
    x = 181,858.58

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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.