Home / 170,611.16-235,367.28-98,949.68

Finding the Fourth Proportional to 170,611.16, 235,367.28 and 98,949.68

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Solution

The fourth proportional to 170,611.16, 235,367.28 and 98,949.68 is: 136,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,611.16 : 235,367.28 = 98,949.68 : x
  2. Step 2: Convert to fraction form
    170,611.16/235,367.28 = 98,949.68/x
  3. Step 3: Cross multiply
    170,611.16x = 235,367.28 × 98,949.68
  4. Step 4: Simplify right side
    170,611.16x = 23,289,517,038.47
  5. Step 5: Solve for x
    x = 23,289,517,038.47/170,611.16
  6. Step 6: Final answer
    x = 136,506.41

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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.