Home / 190,486.60-285,263.34-134,188.36

Finding the Fourth Proportional to 190,486.60, 285,263.34 and 134,188.36

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Solution

The fourth proportional to 190,486.60, 285,263.34 and 134,188.36 is: 200,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,486.60 : 285,263.34 = 134,188.36 : x
  2. Step 2: Convert to fraction form
    190,486.60/285,263.34 = 134,188.36/x
  3. Step 3: Cross multiply
    190,486.60x = 285,263.34 × 134,188.36
  4. Step 4: Simplify right side
    190,486.60x = 38,279,019,762.72
  5. Step 5: Solve for x
    x = 38,279,019,762.72/190,486.60
  6. Step 6: Final answer
    x = 200,953.87

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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.