Home / 103,922.34-143,413.49-56,175.58

Finding the Fourth Proportional to 103,922.34, 143,413.49 and 56,175.58

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Solution

The fourth proportional to 103,922.34, 143,413.49 and 56,175.58 is: 77,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.34 : 143,413.49 = 56,175.58 : x
  2. Step 2: Convert to fraction form
    103,922.34/143,413.49 = 56,175.58/x
  3. Step 3: Cross multiply
    103,922.34x = 143,413.49 × 56,175.58
  4. Step 4: Simplify right side
    103,922.34x = 8,056,335,980.57
  5. Step 5: Solve for x
    x = 8,056,335,980.57/103,922.34
  6. Step 6: Final answer
    x = 77,522.66

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1.5x scale

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.