Home / 222,938.52-307,761-141,307.56

Finding the Fourth Proportional to 222,938.52, 307,761 and 141,307.56

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Solution

The fourth proportional to 222,938.52, 307,761 and 141,307.56 is: 195,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,938.52 : 307,761 = 141,307.56 : x
  2. Step 2: Convert to fraction form
    222,938.52/307,761 = 141,307.56/x
  3. Step 3: Cross multiply
    222,938.52x = 307,761 × 141,307.56
  4. Step 4: Simplify right side
    222,938.52x = 43,488,955,973.16
  5. Step 5: Solve for x
    x = 43,488,955,973.16/222,938.52
  6. Step 6: Final answer
    x = 195,071.52

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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.