Home / 354,533.18-531,356.28-177,089.72

Finding the Fourth Proportional to 354,533.18, 531,356.28 and 177,089.72

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Solution

The fourth proportional to 354,533.18, 531,356.28 and 177,089.72 is: 265,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,533.18 : 531,356.28 = 177,089.72 : x
  2. Step 2: Convert to fraction form
    354,533.18/531,356.28 = 177,089.72/x
  3. Step 3: Cross multiply
    354,533.18x = 531,356.28 × 177,089.72
  4. Step 4: Simplify right side
    354,533.18x = 94,097,732,188.66
  5. Step 5: Solve for x
    x = 94,097,732,188.66/354,533.18
  6. Step 6: Final answer
    x = 265,413.05

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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.