Home / 163,055.23-225,018.54-98,515.51

Finding the Fourth Proportional to 163,055.23, 225,018.54 and 98,515.51

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Solution

The fourth proportional to 163,055.23, 225,018.54 and 98,515.51 is: 135,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,055.23 : 225,018.54 = 98,515.51 : x
  2. Step 2: Convert to fraction form
    163,055.23/225,018.54 = 98,515.51/x
  3. Step 3: Cross multiply
    163,055.23x = 225,018.54 × 98,515.51
  4. Step 4: Simplify right side
    163,055.23x = 22,167,815,665.01
  5. Step 5: Solve for x
    x = 22,167,815,665.01/163,055.23
  6. Step 6: Final answer
    x = 135,952.81

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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.