Home / 122,040.25-183,340.41-86,588.98

Finding the Fourth Proportional to 122,040.25, 183,340.41 and 86,588.98

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Solution

The fourth proportional to 122,040.25, 183,340.41 and 86,588.98 is: 130,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,040.25 : 183,340.41 = 86,588.98 : x
  2. Step 2: Convert to fraction form
    122,040.25/183,340.41 = 86,588.98/x
  3. Step 3: Cross multiply
    122,040.25x = 183,340.41 × 86,588.98
  4. Step 4: Simplify right side
    122,040.25x = 15,875,259,094.68
  5. Step 5: Solve for x
    x = 15,875,259,094.68/122,040.25
  6. Step 6: Final answer
    x = 130,082.16

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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.