Home / 116,890.80-175,336.20-38,007.60

Finding the Fourth Proportional to 116,890.80, 175,336.20 and 38,007.60

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Solution

The fourth proportional to 116,890.80, 175,336.20 and 38,007.60 is: 57,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,890.80 : 175,336.20 = 38,007.60 : x
  2. Step 2: Convert to fraction form
    116,890.80/175,336.20 = 38,007.60/x
  3. Step 3: Cross multiply
    116,890.80x = 175,336.20 × 38,007.60
  4. Step 4: Simplify right side
    116,890.80x = 6,664,108,155.12
  5. Step 5: Solve for x
    x = 6,664,108,155.12/116,890.80
  6. Step 6: Final answer
    x = 57,011.40

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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.