Home / 230,725.40-346,152.90-112,400.60

Finding the Fourth Proportional to 230,725.40, 346,152.90 and 112,400.60

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Solution

The fourth proportional to 230,725.40, 346,152.90 and 112,400.60 is: 168,632.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,725.40 : 346,152.90 = 112,400.60 : x
  2. Step 2: Convert to fraction form
    230,725.40/346,152.90 = 112,400.60/x
  3. Step 3: Cross multiply
    230,725.40x = 346,152.90 × 112,400.60
  4. Step 4: Simplify right side
    230,725.40x = 38,907,793,651.74
  5. Step 5: Solve for x
    x = 38,907,793,651.74/230,725.40
  6. Step 6: Final answer
    x = 168,632.47

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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.