Home / 507,999.20-761,940.44-134,051.36

Finding the Fourth Proportional to 507,999.20, 761,940.44 and 134,051.36

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Solution

The fourth proportional to 507,999.20, 761,940.44 and 134,051.36 is: 201,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,999.20 : 761,940.44 = 134,051.36 : x
  2. Step 2: Convert to fraction form
    507,999.20/761,940.44 = 134,051.36/x
  3. Step 3: Cross multiply
    507,999.20x = 761,940.44 × 134,051.36
  4. Step 4: Simplify right side
    507,999.20x = 102,139,152,221.00
  5. Step 5: Solve for x
    x = 102,139,152,221.00/507,999.20
  6. Step 6: Final answer
    x = 201,061.64

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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.