Home / 245,110.17-338,199.56-143,089.33

Finding the Fourth Proportional to 245,110.17, 338,199.56 and 143,089.33

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Solution

The fourth proportional to 245,110.17, 338,199.56 and 143,089.33 is: 197,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,110.17 : 338,199.56 = 143,089.33 : x
  2. Step 2: Convert to fraction form
    245,110.17/338,199.56 = 143,089.33/x
  3. Step 3: Cross multiply
    245,110.17x = 338,199.56 × 143,089.33
  4. Step 4: Simplify right side
    245,110.17x = 48,392,748,446.69
  5. Step 5: Solve for x
    x = 48,392,748,446.69/245,110.17
  6. Step 6: Final answer
    x = 197,432.64

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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.