Home / 190,646.69-263,092.75-105,763.76

Finding the Fourth Proportional to 190,646.69, 263,092.75 and 105,763.76

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Solution

The fourth proportional to 190,646.69, 263,092.75 and 105,763.76 is: 145,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,646.69 : 263,092.75 = 105,763.76 : x
  2. Step 2: Convert to fraction form
    190,646.69/263,092.75 = 105,763.76/x
  3. Step 3: Cross multiply
    190,646.69x = 263,092.75 × 105,763.76
  4. Step 4: Simplify right side
    190,646.69x = 27,825,678,468.74
  5. Step 5: Solve for x
    x = 27,825,678,468.74/190,646.69
  6. Step 6: Final answer
    x = 145,954.17

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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.