Home / 190,980.63-263,577.57-115,529.67

Finding the Fourth Proportional to 190,980.63, 263,577.57 and 115,529.67

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Solution

The fourth proportional to 190,980.63, 263,577.57 and 115,529.67 is: 159,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,980.63 : 263,577.57 = 115,529.67 : x
  2. Step 2: Convert to fraction form
    190,980.63/263,577.57 = 115,529.67/x
  3. Step 3: Cross multiply
    190,980.63x = 263,577.57 × 115,529.67
  4. Step 4: Simplify right side
    190,980.63x = 30,451,029,681.50
  5. Step 5: Solve for x
    x = 30,451,029,681.50/190,980.63
  6. Step 6: Final answer
    x = 159,445.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.