Home / 208,237.40-312,263.76-95,890.40

Finding the Fourth Proportional to 208,237.40, 312,263.76 and 95,890.40

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Solution

The fourth proportional to 208,237.40, 312,263.76 and 95,890.40 is: 143,793.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,237.40 : 312,263.76 = 95,890.40 : x
  2. Step 2: Convert to fraction form
    208,237.40/312,263.76 = 95,890.40/x
  3. Step 3: Cross multiply
    208,237.40x = 312,263.76 × 95,890.40
  4. Step 4: Simplify right side
    208,237.40x = 29,943,096,851.90
  5. Step 5: Solve for x
    x = 29,943,096,851.90/208,237.40
  6. Step 6: Final answer
    x = 143,793.08

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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.