Home / 130,263.78-179,763.96-73,673.94

Finding the Fourth Proportional to 130,263.78, 179,763.96 and 73,673.94

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Solution

The fourth proportional to 130,263.78, 179,763.96 and 73,673.94 is: 101,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,263.78 : 179,763.96 = 73,673.94 : x
  2. Step 2: Convert to fraction form
    130,263.78/179,763.96 = 73,673.94/x
  3. Step 3: Cross multiply
    130,263.78x = 179,763.96 × 73,673.94
  4. Step 4: Simplify right side
    130,263.78x = 13,243,919,203.20
  5. Step 5: Solve for x
    x = 13,243,919,203.20/130,263.78
  6. Step 6: Final answer
    x = 101,670.01

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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.