Home / 263,345.18-363,413.75-142,483.81

Finding the Fourth Proportional to 263,345.18, 363,413.75 and 142,483.81

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Solution

The fourth proportional to 263,345.18, 363,413.75 and 142,483.81 is: 196,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,345.18 : 363,413.75 = 142,483.81 : x
  2. Step 2: Convert to fraction form
    263,345.18/363,413.75 = 142,483.81/x
  3. Step 3: Cross multiply
    263,345.18x = 363,413.75 × 142,483.81
  4. Step 4: Simplify right side
    263,345.18x = 51,780,575,706.39
  5. Step 5: Solve for x
    x = 51,780,575,706.39/263,345.18
  6. Step 6: Final answer
    x = 196,626.25

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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.