Home / 272,004.48-408,075.93-159,779.61

Finding the Fourth Proportional to 272,004.48, 408,075.93 and 159,779.61

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Solution

The fourth proportional to 272,004.48, 408,075.93 and 159,779.61 is: 239,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,004.48 : 408,075.93 = 159,779.61 : x
  2. Step 2: Convert to fraction form
    272,004.48/408,075.93 = 159,779.61/x
  3. Step 3: Cross multiply
    272,004.48x = 408,075.93 × 159,779.61
  4. Step 4: Simplify right side
    272,004.48x = 65,202,212,945.79
  5. Step 5: Solve for x
    x = 65,202,212,945.79/272,004.48
  6. Step 6: Final answer
    x = 239,710.07

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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.