Home / 130,553.06-180,161.69-73,192.10

Finding the Fourth Proportional to 130,553.06, 180,161.69 and 73,192.10

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Solution

The fourth proportional to 130,553.06, 180,161.69 and 73,192.10 is: 101,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,553.06 : 180,161.69 = 73,192.10 : x
  2. Step 2: Convert to fraction form
    130,553.06/180,161.69 = 73,192.10/x
  3. Step 3: Cross multiply
    130,553.06x = 180,161.69 × 73,192.10
  4. Step 4: Simplify right side
    130,553.06x = 13,186,411,163.88
  5. Step 5: Solve for x
    x = 13,186,411,163.88/130,553.06
  6. Step 6: Final answer
    x = 101,004.23

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1.5x scale

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.