Home / 190,666.64-263,151.36-105,811.04

Finding the Fourth Proportional to 190,666.64, 263,151.36 and 105,811.04

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Solution

The fourth proportional to 190,666.64, 263,151.36 and 105,811.04 is: 146,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,666.64 : 263,151.36 = 105,811.04 : x
  2. Step 2: Convert to fraction form
    190,666.64/263,151.36 = 105,811.04/x
  3. Step 3: Cross multiply
    190,666.64x = 263,151.36 × 105,811.04
  4. Step 4: Simplify right side
    190,666.64x = 27,844,319,079.01
  5. Step 5: Solve for x
    x = 27,844,319,079.01/190,666.64
  6. Step 6: Final answer
    x = 146,036.66

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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.