Home / 124,608.20-186,795.65-69,087.56

Finding the Fourth Proportional to 124,608.20, 186,795.65 and 69,087.56

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Solution

The fourth proportional to 124,608.20, 186,795.65 and 69,087.56 is: 103,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608.20 : 186,795.65 = 69,087.56 : x
  2. Step 2: Convert to fraction form
    124,608.20/186,795.65 = 69,087.56/x
  3. Step 3: Cross multiply
    124,608.20x = 186,795.65 × 69,087.56
  4. Step 4: Simplify right side
    124,608.20x = 12,905,254,915.85
  5. Step 5: Solve for x
    x = 12,905,254,915.85/124,608.20
  6. Step 6: Final answer
    x = 103,566.66

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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.