Home / 106,321.51-146,521.79-76,054.26

Finding the Fourth Proportional to 106,321.51, 146,521.79 and 76,054.26

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Solution

The fourth proportional to 106,321.51, 146,521.79 and 76,054.26 is: 104,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,321.51 : 146,521.79 = 76,054.26 : x
  2. Step 2: Convert to fraction form
    106,321.51/146,521.79 = 76,054.26/x
  3. Step 3: Cross multiply
    106,321.51x = 146,521.79 × 76,054.26
  4. Step 4: Simplify right side
    106,321.51x = 11,143,606,502.46
  5. Step 5: Solve for x
    x = 11,143,606,502.46/106,321.51
  6. Step 6: Final answer
    x = 104,810.47

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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.