Home / 123,907.20-186,006.60-123,032.40

Finding the Fourth Proportional to 123,907.20, 186,006.60 and 123,032.40

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Solution

The fourth proportional to 123,907.20, 186,006.60 and 123,032.40 is: 184,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,907.20 : 186,006.60 = 123,032.40 : x
  2. Step 2: Convert to fraction form
    123,907.20/186,006.60 = 123,032.40/x
  3. Step 3: Cross multiply
    123,907.20x = 186,006.60 × 123,032.40
  4. Step 4: Simplify right side
    123,907.20x = 22,884,838,413.84
  5. Step 5: Solve for x
    x = 22,884,838,413.84/123,907.20
  6. Step 6: Final answer
    x = 184,693.37

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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.