Home / 100,830.80-151,246.20-93,227.60

Finding the Fourth Proportional to 100,830.80, 151,246.20 and 93,227.60

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Solution

The fourth proportional to 100,830.80, 151,246.20 and 93,227.60 is: 139,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.80 : 151,246.20 = 93,227.60 : x
  2. Step 2: Convert to fraction form
    100,830.80/151,246.20 = 93,227.60/x
  3. Step 3: Cross multiply
    100,830.80x = 151,246.20 × 93,227.60
  4. Step 4: Simplify right side
    100,830.80x = 14,100,320,235.12
  5. Step 5: Solve for x
    x = 14,100,320,235.12/100,830.80
  6. Step 6: Final answer
    x = 139,841.40

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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.