Home / 170,428.50-235,192.14-98,850.96

Finding the Fourth Proportional to 170,428.50, 235,192.14 and 98,850.96

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Solution

The fourth proportional to 170,428.50, 235,192.14 and 98,850.96 is: 136,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,428.50 : 235,192.14 = 98,850.96 : x
  2. Step 2: Convert to fraction form
    170,428.50/235,192.14 = 98,850.96/x
  3. Step 3: Cross multiply
    170,428.50x = 235,192.14 × 98,850.96
  4. Step 4: Simplify right side
    170,428.50x = 23,248,968,823.45
  5. Step 5: Solve for x
    x = 23,248,968,823.45/170,428.50
  6. Step 6: Final answer
    x = 136,414.79

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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.