Home / 351,215.17-484,677.78-190,071.38

Finding the Fourth Proportional to 351,215.17, 484,677.78 and 190,071.38

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Solution

The fourth proportional to 351,215.17, 484,677.78 and 190,071.38 is: 262,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,215.17 : 484,677.78 = 190,071.38 : x
  2. Step 2: Convert to fraction form
    351,215.17/484,677.78 = 190,071.38/x
  3. Step 3: Cross multiply
    351,215.17x = 484,677.78 × 190,071.38
  4. Step 4: Simplify right side
    351,215.17x = 92,123,374,499.94
  5. Step 5: Solve for x
    x = 92,123,374,499.94/351,215.17
  6. Step 6: Final answer
    x = 262,298.96

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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.