Home / 170,283.72-234,991.60-98,705.28

Finding the Fourth Proportional to 170,283.72, 234,991.60 and 98,705.28

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Solution

The fourth proportional to 170,283.72, 234,991.60 and 98,705.28 is: 136,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,283.72 : 234,991.60 = 98,705.28 : x
  2. Step 2: Convert to fraction form
    170,283.72/234,991.60 = 98,705.28/x
  3. Step 3: Cross multiply
    170,283.72x = 234,991.60 × 98,705.28
  4. Step 4: Simplify right side
    170,283.72x = 23,194,911,675.65
  5. Step 5: Solve for x
    x = 23,194,911,675.65/170,283.72
  6. Step 6: Final answer
    x = 136,213.32

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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.