Home / 141,413.48-195,150.12-77,751.08

Finding the Fourth Proportional to 141,413.48, 195,150.12 and 77,751.08

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Solution

The fourth proportional to 141,413.48, 195,150.12 and 77,751.08 is: 107,296.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,413.48 : 195,150.12 = 77,751.08 : x
  2. Step 2: Convert to fraction form
    141,413.48/195,150.12 = 77,751.08/x
  3. Step 3: Cross multiply
    141,413.48x = 195,150.12 × 77,751.08
  4. Step 4: Simplify right side
    141,413.48x = 15,173,132,592.13
  5. Step 5: Solve for x
    x = 15,173,132,592.13/141,413.48
  6. Step 6: Final answer
    x = 107,296.23

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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.