Home / 115,785.20-173,677.80-114,556.40

Finding the Fourth Proportional to 115,785.20, 173,677.80 and 114,556.40

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Solution

The fourth proportional to 115,785.20, 173,677.80 and 114,556.40 is: 171,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,785.20 : 173,677.80 = 114,556.40 : x
  2. Step 2: Convert to fraction form
    115,785.20/173,677.80 = 114,556.40/x
  3. Step 3: Cross multiply
    115,785.20x = 173,677.80 × 114,556.40
  4. Step 4: Simplify right side
    115,785.20x = 19,895,903,527.92
  5. Step 5: Solve for x
    x = 19,895,903,527.92/115,785.20
  6. Step 6: Final answer
    x = 171,834.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.