Home / 134,218.19-185,216.38-73,788.39

Finding the Fourth Proportional to 134,218.19, 185,216.38 and 73,788.39

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Solution

The fourth proportional to 134,218.19, 185,216.38 and 73,788.39 is: 101,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,218.19 : 185,216.38 = 73,788.39 : x
  2. Step 2: Convert to fraction form
    134,218.19/185,216.38 = 73,788.39/x
  3. Step 3: Cross multiply
    134,218.19x = 185,216.38 × 73,788.39
  4. Step 4: Simplify right side
    134,218.19x = 13,666,818,760.40
  5. Step 5: Solve for x
    x = 13,666,818,760.40/134,218.19
  6. Step 6: Final answer
    x = 101,825.39

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1.5x scale

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.