Home / 109,413.12-164,119.68-26,307.12

Finding the Fourth Proportional to 109,413.12, 164,119.68 and 26,307.12

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Solution

The fourth proportional to 109,413.12, 164,119.68 and 26,307.12 is: 39,460.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,413.12 : 164,119.68 = 26,307.12 : x
  2. Step 2: Convert to fraction form
    109,413.12/164,119.68 = 26,307.12/x
  3. Step 3: Cross multiply
    109,413.12x = 164,119.68 × 26,307.12
  4. Step 4: Simplify right side
    109,413.12x = 4,317,516,116.12
  5. Step 5: Solve for x
    x = 4,317,516,116.12/109,413.12
  6. Step 6: Final answer
    x = 39,460.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.