Home / 349,669.17-482,542.74-196,707.47

Finding the Fourth Proportional to 349,669.17, 482,542.74 and 196,707.47

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Solution

The fourth proportional to 349,669.17, 482,542.74 and 196,707.47 is: 271,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,669.17 : 482,542.74 = 196,707.47 : x
  2. Step 2: Convert to fraction form
    349,669.17/482,542.74 = 196,707.47/x
  3. Step 3: Cross multiply
    349,669.17x = 482,542.74 × 196,707.47
  4. Step 4: Simplify right side
    349,669.17x = 94,919,759,139.55
  5. Step 5: Solve for x
    x = 94,919,759,139.55/349,669.17
  6. Step 6: Final answer
    x = 271,455.90

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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.