Home / 346,530.45-478,227.92-191,503.53

Finding the Fourth Proportional to 346,530.45, 478,227.92 and 191,503.53

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Solution

The fourth proportional to 346,530.45, 478,227.92 and 191,503.53 is: 264,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,530.45 : 478,227.92 = 191,503.53 : x
  2. Step 2: Convert to fraction form
    346,530.45/478,227.92 = 191,503.53/x
  3. Step 3: Cross multiply
    346,530.45x = 478,227.92 × 191,503.53
  4. Step 4: Simplify right side
    346,530.45x = 91,582,334,824.56
  5. Step 5: Solve for x
    x = 91,582,334,824.56/346,530.45
  6. Step 6: Final answer
    x = 264,283.66

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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.