Home / 130,360.50-179,897.49-73,772.01

Finding the Fourth Proportional to 130,360.50, 179,897.49 and 73,772.01

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Solution

The fourth proportional to 130,360.50, 179,897.49 and 73,772.01 is: 101,805.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,360.50 : 179,897.49 = 73,772.01 : x
  2. Step 2: Convert to fraction form
    130,360.50/179,897.49 = 73,772.01/x
  3. Step 3: Cross multiply
    130,360.50x = 179,897.49 × 73,772.01
  4. Step 4: Simplify right side
    130,360.50x = 13,271,399,431.25
  5. Step 5: Solve for x
    x = 13,271,399,431.25/130,360.50
  6. Step 6: Final answer
    x = 101,805.37

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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.