Home / 141,063.12-194,679.72-77,413.32

Finding the Fourth Proportional to 141,063.12, 194,679.72 and 77,413.32

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Solution

The fourth proportional to 141,063.12, 194,679.72 and 77,413.32 is: 106,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,063.12 : 194,679.72 = 77,413.32 : x
  2. Step 2: Convert to fraction form
    141,063.12/194,679.72 = 77,413.32/x
  3. Step 3: Cross multiply
    141,063.12x = 194,679.72 × 77,413.32
  4. Step 4: Simplify right side
    141,063.12x = 15,070,803,461.87
  5. Step 5: Solve for x
    x = 15,070,803,461.87/141,063.12
  6. Step 6: Final answer
    x = 106,837.30

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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.