Home / 346,825.30-478,617.48-193,863.28

Finding the Fourth Proportional to 346,825.30, 478,617.48 and 193,863.28

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Solution

The fourth proportional to 346,825.30, 478,617.48 and 193,863.28 is: 267,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,825.30 : 478,617.48 = 193,863.28 : x
  2. Step 2: Convert to fraction form
    346,825.30/478,617.48 = 193,863.28/x
  3. Step 3: Cross multiply
    346,825.30x = 478,617.48 × 193,863.28
  4. Step 4: Simplify right side
    346,825.30x = 92,786,354,538.13
  5. Step 5: Solve for x
    x = 92,786,354,538.13/346,825.30
  6. Step 6: Final answer
    x = 267,530.52

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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.