Home / 232,485.30-320,829.55-130,510.96

Finding the Fourth Proportional to 232,485.30, 320,829.55 and 130,510.96

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Solution

The fourth proportional to 232,485.30, 320,829.55 and 130,510.96 is: 180,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,485.30 : 320,829.55 = 130,510.96 : x
  2. Step 2: Convert to fraction form
    232,485.30/320,829.55 = 130,510.96/x
  3. Step 3: Cross multiply
    232,485.30x = 320,829.55 × 130,510.96
  4. Step 4: Simplify right side
    232,485.30x = 41,871,772,566.87
  5. Step 5: Solve for x
    x = 41,871,772,566.87/232,485.30
  6. Step 6: Final answer
    x = 180,105.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.