Home / 170,702.36-235,611.42-103,690.52

Finding the Fourth Proportional to 170,702.36, 235,611.42 and 103,690.52

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Solution

The fourth proportional to 170,702.36, 235,611.42 and 103,690.52 is: 143,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,702.36 : 235,611.42 = 103,690.52 : x
  2. Step 2: Convert to fraction form
    170,702.36/235,611.42 = 103,690.52/x
  3. Step 3: Cross multiply
    170,702.36x = 235,611.42 × 103,690.52
  4. Step 4: Simplify right side
    170,702.36x = 24,430,670,657.74
  5. Step 5: Solve for x
    x = 24,430,670,657.74/170,702.36
  6. Step 6: Final answer
    x = 143,118.53

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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.