Home / 261,734.40-392,603.76-111,897.36

Finding the Fourth Proportional to 261,734.40, 392,603.76 and 111,897.36

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Solution

The fourth proportional to 261,734.40, 392,603.76 and 111,897.36 is: 167,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,734.40 : 392,603.76 = 111,897.36 : x
  2. Step 2: Convert to fraction form
    261,734.40/392,603.76 = 111,897.36/x
  3. Step 3: Cross multiply
    261,734.40x = 392,603.76 × 111,897.36
  4. Step 4: Simplify right side
    261,734.40x = 43,931,324,270.07
  5. Step 5: Solve for x
    x = 43,931,324,270.07/261,734.40
  6. Step 6: Final answer
    x = 167,846.96

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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.