Home / 285,756.41-428,334.53-96,150.95

Finding the Fourth Proportional to 285,756.41, 428,334.53 and 96,150.95

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Solution

The fourth proportional to 285,756.41, 428,334.53 and 96,150.95 is: 144,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,756.41 : 428,334.53 = 96,150.95 : x
  2. Step 2: Convert to fraction form
    285,756.41/428,334.53 = 96,150.95/x
  3. Step 3: Cross multiply
    285,756.41x = 428,334.53 × 96,150.95
  4. Step 4: Simplify right side
    285,756.41x = 41,184,771,977.30
  5. Step 5: Solve for x
    x = 41,184,771,977.30/285,756.41
  6. Step 6: Final answer
    x = 144,125.45

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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.