Home / 130,413.16-195,487.40-74,137.00

Finding the Fourth Proportional to 130,413.16, 195,487.40 and 74,137.00

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Solution

The fourth proportional to 130,413.16, 195,487.40 and 74,137.00 is: 111,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,413.16 : 195,487.40 = 74,137.00 : x
  2. Step 2: Convert to fraction form
    130,413.16/195,487.40 = 74,137.00/x
  3. Step 3: Cross multiply
    130,413.16x = 195,487.40 × 74,137.00
  4. Step 4: Simplify right side
    130,413.16x = 14,492,848,678.64
  5. Step 5: Solve for x
    x = 14,492,848,678.64/130,413.16
  6. Step 6: Final answer
    x = 111,130.26

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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.