Home / 158,825.43-219,179.28-94,307.55

Finding the Fourth Proportional to 158,825.43, 219,179.28 and 94,307.55

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Solution

The fourth proportional to 158,825.43, 219,179.28 and 94,307.55 is: 130,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,825.43 : 219,179.28 = 94,307.55 : x
  2. Step 2: Convert to fraction form
    158,825.43/219,179.28 = 94,307.55/x
  3. Step 3: Cross multiply
    158,825.43x = 219,179.28 × 94,307.55
  4. Step 4: Simplify right side
    158,825.43x = 20,670,260,907.56
  5. Step 5: Solve for x
    x = 20,670,260,907.56/158,825.43
  6. Step 6: Final answer
    x = 130,144.53

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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.