Home / 161,889.06-223,409.66-89,300.28

Finding the Fourth Proportional to 161,889.06, 223,409.66 and 89,300.28

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Solution

The fourth proportional to 161,889.06, 223,409.66 and 89,300.28 is: 123,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,889.06 : 223,409.66 = 89,300.28 : x
  2. Step 2: Convert to fraction form
    161,889.06/223,409.66 = 89,300.28/x
  3. Step 3: Cross multiply
    161,889.06x = 223,409.66 × 89,300.28
  4. Step 4: Simplify right side
    161,889.06x = 19,950,544,746.20
  5. Step 5: Solve for x
    x = 19,950,544,746.20/161,889.06
  6. Step 6: Final answer
    x = 123,235.90

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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.