Home / 130,373.12-179,900.02-73,004.46

Finding the Fourth Proportional to 130,373.12, 179,900.02 and 73,004.46

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Solution

The fourth proportional to 130,373.12, 179,900.02 and 73,004.46 is: 100,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,373.12 : 179,900.02 = 73,004.46 : x
  2. Step 2: Convert to fraction form
    130,373.12/179,900.02 = 73,004.46/x
  3. Step 3: Cross multiply
    130,373.12x = 179,900.02 × 73,004.46
  4. Step 4: Simplify right side
    130,373.12x = 13,133,503,814.09
  5. Step 5: Solve for x
    x = 13,133,503,814.09/130,373.12
  6. Step 6: Final answer
    x = 100,737.82

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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.