Home / 293,087.20-439,622.56-93,419.55

Finding the Fourth Proportional to 293,087.20, 439,622.56 and 93,419.55

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Solution

The fourth proportional to 293,087.20, 439,622.56 and 93,419.55 is: 140,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,087.20 : 439,622.56 = 93,419.55 : x
  2. Step 2: Convert to fraction form
    293,087.20/439,622.56 = 93,419.55/x
  3. Step 3: Cross multiply
    293,087.20x = 439,622.56 × 93,419.55
  4. Step 4: Simplify right side
    293,087.20x = 41,069,341,725.05
  5. Step 5: Solve for x
    x = 41,069,341,725.05/293,087.20
  6. Step 6: Final answer
    x = 140,126.70

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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.