Home / 116,200.80-174,301.20-71,877.60

Finding the Fourth Proportional to 116,200.80, 174,301.20 and 71,877.60

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Solution

The fourth proportional to 116,200.80, 174,301.20 and 71,877.60 is: 107,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,200.80 : 174,301.20 = 71,877.60 : x
  2. Step 2: Convert to fraction form
    116,200.80/174,301.20 = 71,877.60/x
  3. Step 3: Cross multiply
    116,200.80x = 174,301.20 × 71,877.60
  4. Step 4: Simplify right side
    116,200.80x = 12,528,351,933.12
  5. Step 5: Solve for x
    x = 12,528,351,933.12/116,200.80
  6. Step 6: Final answer
    x = 107,816.40

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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.