Home / 190,156.64-262,333.76-114,663.20

Finding the Fourth Proportional to 190,156.64, 262,333.76 and 114,663.20

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Solution

The fourth proportional to 190,156.64, 262,333.76 and 114,663.20 is: 158,185.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,156.64 : 262,333.76 = 114,663.20 : x
  2. Step 2: Convert to fraction form
    190,156.64/262,333.76 = 114,663.20/x
  3. Step 3: Cross multiply
    190,156.64x = 262,333.76 × 114,663.20
  4. Step 4: Simplify right side
    190,156.64x = 30,080,028,389.63
  5. Step 5: Solve for x
    x = 30,080,028,389.63/190,156.64
  6. Step 6: Final answer
    x = 158,185.53

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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.