Home / 130,288.63-179,796.59-73,700.01

Finding the Fourth Proportional to 130,288.63, 179,796.59 and 73,700.01

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Solution

The fourth proportional to 130,288.63, 179,796.59 and 73,700.01 is: 101,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,288.63 : 179,796.59 = 73,700.01 : x
  2. Step 2: Convert to fraction form
    130,288.63/179,796.59 = 73,700.01/x
  3. Step 3: Cross multiply
    130,288.63x = 179,796.59 × 73,700.01
  4. Step 4: Simplify right side
    130,288.63x = 13,251,010,480.97
  5. Step 5: Solve for x
    x = 13,251,010,480.97/130,288.63
  6. Step 6: Final answer
    x = 101,705.04

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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.