Home / 205,812.12-283,748.46-148,403.40

Finding the Fourth Proportional to 205,812.12, 283,748.46 and 148,403.40

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Solution

The fourth proportional to 205,812.12, 283,748.46 and 148,403.40 is: 204,600.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,812.12 : 283,748.46 = 148,403.40 : x
  2. Step 2: Convert to fraction form
    205,812.12/283,748.46 = 148,403.40/x
  3. Step 3: Cross multiply
    205,812.12x = 283,748.46 × 148,403.40
  4. Step 4: Simplify right side
    205,812.12x = 42,109,236,208.76
  5. Step 5: Solve for x
    x = 42,109,236,208.76/205,812.12
  6. Step 6: Final answer
    x = 204,600.37

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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.