Home / 185,870.63-278,811.41-45,629.25

Finding the Fourth Proportional to 185,870.63, 278,811.41 and 45,629.25

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Solution

The fourth proportional to 185,870.63, 278,811.41 and 45,629.25 is: 68,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,870.63 : 278,811.41 = 45,629.25 : x
  2. Step 2: Convert to fraction form
    185,870.63/278,811.41 = 45,629.25/x
  3. Step 3: Cross multiply
    185,870.63x = 278,811.41 × 45,629.25
  4. Step 4: Simplify right side
    185,870.63x = 12,721,955,529.74
  5. Step 5: Solve for x
    x = 12,721,955,529.74/185,870.63
  6. Step 6: Final answer
    x = 68,445.22

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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.