Home / 190,291.33-285,436.18-48,137.95

Finding the Fourth Proportional to 190,291.33, 285,436.18 and 48,137.95

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Solution

The fourth proportional to 190,291.33, 285,436.18 and 48,137.95 is: 72,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,291.33 : 285,436.18 = 48,137.95 : x
  2. Step 2: Convert to fraction form
    190,291.33/285,436.18 = 48,137.95/x
  3. Step 3: Cross multiply
    190,291.33x = 285,436.18 × 48,137.95
  4. Step 4: Simplify right side
    190,291.33x = 13,740,312,561.03
  5. Step 5: Solve for x
    x = 13,740,312,561.03/190,291.33
  6. Step 6: Final answer
    x = 72,206.72

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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.