Home / 169,205.13-253,636.81-106,069.51

Finding the Fourth Proportional to 169,205.13, 253,636.81 and 106,069.51

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Solution

The fourth proportional to 169,205.13, 253,636.81 and 106,069.51 is: 158,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,205.13 : 253,636.81 = 106,069.51 : x
  2. Step 2: Convert to fraction form
    169,205.13/253,636.81 = 106,069.51/x
  3. Step 3: Cross multiply
    169,205.13x = 253,636.81 × 106,069.51
  4. Step 4: Simplify right side
    169,205.13x = 26,903,130,356.13
  5. Step 5: Solve for x
    x = 26,903,130,356.13/169,205.13
  6. Step 6: Final answer
    x = 158,997.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.