Home / 114,749.80-158,345.86-64,439.08

Finding the Fourth Proportional to 114,749.80, 158,345.86 and 64,439.08

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Solution

The fourth proportional to 114,749.80, 158,345.86 and 64,439.08 is: 88,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,749.80 : 158,345.86 = 64,439.08 : x
  2. Step 2: Convert to fraction form
    114,749.80/158,345.86 = 64,439.08/x
  3. Step 3: Cross multiply
    114,749.80x = 158,345.86 × 64,439.08
  4. Step 4: Simplify right side
    114,749.80x = 10,203,661,540.21
  5. Step 5: Solve for x
    x = 10,203,661,540.21/114,749.80
  6. Step 6: Final answer
    x = 88,920.95

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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.