Home / 134,339.72-185,388.81-73,909.07

Finding the Fourth Proportional to 134,339.72, 185,388.81 and 73,909.07

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Solution

The fourth proportional to 134,339.72, 185,388.81 and 73,909.07 is: 101,994.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,339.72 : 185,388.81 = 73,909.07 : x
  2. Step 2: Convert to fraction form
    134,339.72/185,388.81 = 73,909.07/x
  3. Step 3: Cross multiply
    134,339.72x = 185,388.81 × 73,909.07
  4. Step 4: Simplify right side
    134,339.72x = 13,701,913,887.26
  5. Step 5: Solve for x
    x = 13,701,913,887.26/134,339.72
  6. Step 6: Final answer
    x = 101,994.51

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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.