Home / 161,694.72-223,084.80-98,012.16

Finding the Fourth Proportional to 161,694.72, 223,084.80 and 98,012.16

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Solution

The fourth proportional to 161,694.72, 223,084.80 and 98,012.16 is: 135,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,694.72 : 223,084.80 = 98,012.16 : x
  2. Step 2: Convert to fraction form
    161,694.72/223,084.80 = 98,012.16/x
  3. Step 3: Cross multiply
    161,694.72x = 223,084.80 × 98,012.16
  4. Step 4: Simplify right side
    161,694.72x = 21,865,023,111.17
  5. Step 5: Solve for x
    x = 21,865,023,111.17/161,694.72
  6. Step 6: Final answer
    x = 135,224.10

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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.