Home / 261,466.27-392,365.30-111,707.69

Finding the Fourth Proportional to 261,466.27, 392,365.30 and 111,707.69

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Solution

The fourth proportional to 261,466.27, 392,365.30 and 111,707.69 is: 167,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,466.27 : 392,365.30 = 111,707.69 : x
  2. Step 2: Convert to fraction form
    261,466.27/392,365.30 = 111,707.69/x
  3. Step 3: Cross multiply
    261,466.27x = 392,365.30 × 111,707.69
  4. Step 4: Simplify right side
    261,466.27x = 43,830,220,038.97
  5. Step 5: Solve for x
    x = 43,830,220,038.97/261,466.27
  6. Step 6: Final answer
    x = 167,632.41

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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.