Home / 190,303.45-285,365.78-110,364.13

Finding the Fourth Proportional to 190,303.45, 285,365.78 and 110,364.13

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Solution

The fourth proportional to 190,303.45, 285,365.78 and 110,364.13 is: 165,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,303.45 : 285,365.78 = 110,364.13 : x
  2. Step 2: Convert to fraction form
    190,303.45/285,365.78 = 110,364.13/x
  3. Step 3: Cross multiply
    190,303.45x = 285,365.78 × 110,364.13
  4. Step 4: Simplify right side
    190,303.45x = 31,494,146,260.22
  5. Step 5: Solve for x
    x = 31,494,146,260.22/190,303.45
  6. Step 6: Final answer
    x = 165,494.35

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1.5x scale

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.