Home / 161,608.64-223,020-89,995.32

Finding the Fourth Proportional to 161,608.64, 223,020 and 89,995.32

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Solution

The fourth proportional to 161,608.64, 223,020 and 89,995.32 is: 124,193.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,608.64 : 223,020 = 89,995.32 : x
  2. Step 2: Convert to fraction form
    161,608.64/223,020 = 89,995.32/x
  3. Step 3: Cross multiply
    161,608.64x = 223,020 × 89,995.32
  4. Step 4: Simplify right side
    161,608.64x = 20,070,756,266.40
  5. Step 5: Solve for x
    x = 20,070,756,266.40/161,608.64
  6. Step 6: Final answer
    x = 124,193.59

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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.