Home / 190,178.08-262,126.87-151,814.66

Finding the Fourth Proportional to 190,178.08, 262,126.87 and 151,814.66

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Solution

The fourth proportional to 190,178.08, 262,126.87 and 151,814.66 is: 209,249.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,178.08 : 262,126.87 = 151,814.66 : x
  2. Step 2: Convert to fraction form
    190,178.08/262,126.87 = 151,814.66/x
  3. Step 3: Cross multiply
    190,178.08x = 262,126.87 × 151,814.66
  4. Step 4: Simplify right side
    190,178.08x = 39,794,699,955.74
  5. Step 5: Solve for x
    x = 39,794,699,955.74/190,178.08
  6. Step 6: Final answer
    x = 209,249.67

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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.