Home / 445,087.02-667,653.60-129,568.52

Finding the Fourth Proportional to 445,087.02, 667,653.60 and 129,568.52

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Solution

The fourth proportional to 445,087.02, 667,653.60 and 129,568.52 is: 194,359.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,087.02 : 667,653.60 = 129,568.52 : x
  2. Step 2: Convert to fraction form
    445,087.02/667,653.60 = 129,568.52/x
  3. Step 3: Cross multiply
    445,087.02x = 667,653.60 × 129,568.52
  4. Step 4: Simplify right side
    445,087.02x = 86,506,888,824.67
  5. Step 5: Solve for x
    x = 86,506,888,824.67/445,087.02
  6. Step 6: Final answer
    x = 194,359.50

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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.