Home / 156,985.06-235,485.73-51,812.23

Finding the Fourth Proportional to 156,985.06, 235,485.73 and 51,812.23

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Solution

The fourth proportional to 156,985.06, 235,485.73 and 51,812.23 is: 77,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.06 : 235,485.73 = 51,812.23 : x
  2. Step 2: Convert to fraction form
    156,985.06/235,485.73 = 51,812.23/x
  3. Step 3: Cross multiply
    156,985.06x = 235,485.73 × 51,812.23
  4. Step 4: Simplify right side
    156,985.06x = 12,201,040,804.48
  5. Step 5: Solve for x
    x = 12,201,040,804.48/156,985.06
  6. Step 6: Final answer
    x = 77,721.03

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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.