Home / 178,047.04-245,665.63-105,413.87

Finding the Fourth Proportional to 178,047.04, 245,665.63 and 105,413.87

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Solution

The fourth proportional to 178,047.04, 245,665.63 and 105,413.87 is: 145,447.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,047.04 : 245,665.63 = 105,413.87 : x
  2. Step 2: Convert to fraction form
    178,047.04/245,665.63 = 105,413.87/x
  3. Step 3: Cross multiply
    178,047.04x = 245,665.63 × 105,413.87
  4. Step 4: Simplify right side
    178,047.04x = 25,896,563,292.43
  5. Step 5: Solve for x
    x = 25,896,563,292.43/178,047.04
  6. Step 6: Final answer
    x = 145,447.88

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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.