Home / 134,249.16-185,078.52-107,117.40

Finding the Fourth Proportional to 134,249.16, 185,078.52 and 107,117.40

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Solution

The fourth proportional to 134,249.16, 185,078.52 and 107,117.40 is: 147,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,249.16 : 185,078.52 = 107,117.40 : x
  2. Step 2: Convert to fraction form
    134,249.16/185,078.52 = 107,117.40/x
  3. Step 3: Cross multiply
    134,249.16x = 185,078.52 × 107,117.40
  4. Step 4: Simplify right side
    134,249.16x = 19,825,129,858.25
  5. Step 5: Solve for x
    x = 19,825,129,858.25/134,249.16
  6. Step 6: Final answer
    x = 147,674.14

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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.