Home / 190,774.37-263,214.63-122,830.67

Finding the Fourth Proportional to 190,774.37, 263,214.63 and 122,830.67

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Solution

The fourth proportional to 190,774.37, 263,214.63 and 122,830.67 is: 169,471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,774.37 : 263,214.63 = 122,830.67 : x
  2. Step 2: Convert to fraction form
    190,774.37/263,214.63 = 122,830.67/x
  3. Step 3: Cross multiply
    190,774.37x = 263,214.63 × 122,830.67
  4. Step 4: Simplify right side
    190,774.37x = 32,330,828,040.63
  5. Step 5: Solve for x
    x = 32,330,828,040.63/190,774.37
  6. Step 6: Final answer
    x = 169,471.55

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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.