Home / 285,931.89-428,773.23-96,356.93

Finding the Fourth Proportional to 285,931.89, 428,773.23 and 96,356.93

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Solution

The fourth proportional to 285,931.89, 428,773.23 and 96,356.93 is: 144,493.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,931.89 : 428,773.23 = 96,356.93 : x
  2. Step 2: Convert to fraction form
    285,931.89/428,773.23 = 96,356.93/x
  3. Step 3: Cross multiply
    285,931.89x = 428,773.23 × 96,356.93
  4. Step 4: Simplify right side
    285,931.89x = 41,315,269,965.12
  5. Step 5: Solve for x
    x = 41,315,269,965.12/285,931.89
  6. Step 6: Final answer
    x = 144,493.40

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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.