Home / 134,403.22-185,475.02-73,972.56

Finding the Fourth Proportional to 134,403.22, 185,475.02 and 73,972.56

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Solution

The fourth proportional to 134,403.22, 185,475.02 and 73,972.56 is: 102,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,403.22 : 185,475.02 = 73,972.56 : x
  2. Step 2: Convert to fraction form
    134,403.22/185,475.02 = 73,972.56/x
  3. Step 3: Cross multiply
    134,403.22x = 185,475.02 × 73,972.56
  4. Step 4: Simplify right side
    134,403.22x = 13,720,061,327.82
  5. Step 5: Solve for x
    x = 13,720,061,327.82/134,403.22
  6. Step 6: Final answer
    x = 102,081.35

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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.