Home / 190,209.16-262,488.62-105,326.22

Finding the Fourth Proportional to 190,209.16, 262,488.62 and 105,326.22

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Solution

The fourth proportional to 190,209.16, 262,488.62 and 105,326.22 is: 145,350.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.16 : 262,488.62 = 105,326.22 : x
  2. Step 2: Convert to fraction form
    190,209.16/262,488.62 = 105,326.22/x
  3. Step 3: Cross multiply
    190,209.16x = 262,488.62 × 105,326.22
  4. Step 4: Simplify right side
    190,209.16x = 27,646,934,137.62
  5. Step 5: Solve for x
    x = 27,646,934,137.62/190,209.16
  6. Step 6: Final answer
    x = 145,350.17

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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.