Home / 349,458.12-482,115.06-196,461

Finding the Fourth Proportional to 349,458.12, 482,115.06 and 196,461

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Solution

The fourth proportional to 349,458.12, 482,115.06 and 196,461 is: 271,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,458.12 : 482,115.06 = 196,461 : x
  2. Step 2: Convert to fraction form
    349,458.12/482,115.06 = 196,461/x
  3. Step 3: Cross multiply
    349,458.12x = 482,115.06 × 196,461
  4. Step 4: Simplify right side
    349,458.12x = 94,716,806,802.66
  5. Step 5: Solve for x
    x = 94,716,806,802.66/349,458.12
  6. Step 6: Final answer
    x = 271,039.08

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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.