Home / 353,799.19-488,114.67-200,748.74

Finding the Fourth Proportional to 353,799.19, 488,114.67 and 200,748.74

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Solution

The fourth proportional to 353,799.19, 488,114.67 and 200,748.74 is: 276,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,799.19 : 488,114.67 = 200,748.74 : x
  2. Step 2: Convert to fraction form
    353,799.19/488,114.67 = 200,748.74/x
  3. Step 3: Cross multiply
    353,799.19x = 488,114.67 × 200,748.74
  4. Step 4: Simplify right side
    353,799.19x = 97,988,401,784.63
  5. Step 5: Solve for x
    x = 97,988,401,784.63/353,799.19
  6. Step 6: Final answer
    x = 276,960.50

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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.