Home / 350,688.20-525,686.70-173,222.60

Finding the Fourth Proportional to 350,688.20, 525,686.70 and 173,222.60

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Solution

The fourth proportional to 350,688.20, 525,686.70 and 173,222.60 is: 259,663.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,688.20 : 525,686.70 = 173,222.60 : x
  2. Step 2: Convert to fraction form
    350,688.20/525,686.70 = 173,222.60/x
  3. Step 3: Cross multiply
    350,688.20x = 525,686.70 × 173,222.60
  4. Step 4: Simplify right side
    350,688.20x = 91,060,816,959.42
  5. Step 5: Solve for x
    x = 91,060,816,959.42/350,688.20
  6. Step 6: Final answer
    x = 259,663.19

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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.