Home / 185,503.68-278,255.76-45,261.60

Finding the Fourth Proportional to 185,503.68, 278,255.76 and 45,261.60

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Solution

The fourth proportional to 185,503.68, 278,255.76 and 45,261.60 is: 67,892.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,503.68 : 278,255.76 = 45,261.60 : x
  2. Step 2: Convert to fraction form
    185,503.68/278,255.76 = 45,261.60/x
  3. Step 3: Cross multiply
    185,503.68x = 278,255.76 × 45,261.60
  4. Step 4: Simplify right side
    185,503.68x = 12,594,300,906.82
  5. Step 5: Solve for x
    x = 12,594,300,906.82/185,503.68
  6. Step 6: Final answer
    x = 67,892.46

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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.