Home / 134,378.14-185,443.22-77,016.22

Finding the Fourth Proportional to 134,378.14, 185,443.22 and 77,016.22

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Solution

The fourth proportional to 134,378.14, 185,443.22 and 77,016.22 is: 106,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,378.14 : 185,443.22 = 77,016.22 : x
  2. Step 2: Convert to fraction form
    134,378.14/185,443.22 = 77,016.22/x
  3. Step 3: Cross multiply
    134,378.14x = 185,443.22 × 77,016.22
  4. Step 4: Simplify right side
    134,378.14x = 14,282,135,557.96
  5. Step 5: Solve for x
    x = 14,282,135,557.96/134,378.14
  6. Step 6: Final answer
    x = 106,283.18

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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.