Home / 350,724.20-525,740.70-173,258.60

Finding the Fourth Proportional to 350,724.20, 525,740.70 and 173,258.60

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Solution

The fourth proportional to 350,724.20, 525,740.70 and 173,258.60 is: 259,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,724.20 : 525,740.70 = 173,258.60 : x
  2. Step 2: Convert to fraction form
    350,724.20/525,740.70 = 173,258.60/x
  3. Step 3: Cross multiply
    350,724.20x = 525,740.70 × 173,258.60
  4. Step 4: Simplify right side
    350,724.20x = 91,089,097,645.02
  5. Step 5: Solve for x
    x = 91,089,097,645.02/350,724.20
  6. Step 6: Final answer
    x = 259,717.17

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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.