Home / 190,714.14-263,197.80-105,831.21

Finding the Fourth Proportional to 190,714.14, 263,197.80 and 105,831.21

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Solution

The fourth proportional to 190,714.14, 263,197.80 and 105,831.21 is: 146,053.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,714.14 : 263,197.80 = 105,831.21 : x
  2. Step 2: Convert to fraction form
    190,714.14/263,197.80 = 105,831.21/x
  3. Step 3: Cross multiply
    190,714.14x = 263,197.80 × 105,831.21
  4. Step 4: Simplify right side
    190,714.14x = 27,854,541,643.34
  5. Step 5: Solve for x
    x = 27,854,541,643.34/190,714.14
  6. Step 6: Final answer
    x = 146,053.89

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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.