Home / 205,459.64-283,513.18-140,984.18

Finding the Fourth Proportional to 205,459.64, 283,513.18 and 140,984.18

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Solution

The fourth proportional to 205,459.64, 283,513.18 and 140,984.18 is: 194,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,459.64 : 283,513.18 = 140,984.18 : x
  2. Step 2: Convert to fraction form
    205,459.64/283,513.18 = 140,984.18/x
  3. Step 3: Cross multiply
    205,459.64x = 283,513.18 × 140,984.18
  4. Step 4: Simplify right side
    205,459.64x = 39,970,873,201.49
  5. Step 5: Solve for x
    x = 39,970,873,201.49/205,459.64
  6. Step 6: Final answer
    x = 194,543.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.