Home / 185,922.06-278,880.63-45,681.90

Finding the Fourth Proportional to 185,922.06, 278,880.63 and 45,681.90

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Solution

The fourth proportional to 185,922.06, 278,880.63 and 45,681.90 is: 68,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,922.06 : 278,880.63 = 45,681.90 : x
  2. Step 2: Convert to fraction form
    185,922.06/278,880.63 = 45,681.90/x
  3. Step 3: Cross multiply
    185,922.06x = 278,880.63 × 45,681.90
  4. Step 4: Simplify right side
    185,922.06x = 12,739,797,051.60
  5. Step 5: Solve for x
    x = 12,739,797,051.60/185,922.06
  6. Step 6: Final answer
    x = 68,522.25

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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.