Home / 205,630.60-308,532.30-112,203.40

Finding the Fourth Proportional to 205,630.60, 308,532.30 and 112,203.40

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Solution

The fourth proportional to 205,630.60, 308,532.30 and 112,203.40 is: 168,352.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,630.60 : 308,532.30 = 112,203.40 : x
  2. Step 2: Convert to fraction form
    205,630.60/308,532.30 = 112,203.40/x
  3. Step 3: Cross multiply
    205,630.60x = 308,532.30 × 112,203.40
  4. Step 4: Simplify right side
    205,630.60x = 34,618,373,069.82
  5. Step 5: Solve for x
    x = 34,618,373,069.82/205,630.60
  6. Step 6: Final answer
    x = 168,352.24

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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.