Home / 211,928.40-317,892.60-93,538.80

Finding the Fourth Proportional to 211,928.40, 317,892.60 and 93,538.80

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Solution

The fourth proportional to 211,928.40, 317,892.60 and 93,538.80 is: 140,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,928.40 : 317,892.60 = 93,538.80 : x
  2. Step 2: Convert to fraction form
    211,928.40/317,892.60 = 93,538.80/x
  3. Step 3: Cross multiply
    211,928.40x = 317,892.60 × 93,538.80
  4. Step 4: Simplify right side
    211,928.40x = 29,735,292,332.88
  5. Step 5: Solve for x
    x = 29,735,292,332.88/211,928.40
  6. Step 6: Final answer
    x = 140,308.20

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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.