Home / 346,429.53-478,067.70-193,466.10

Finding the Fourth Proportional to 346,429.53, 478,067.70 and 193,466.10

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Solution

The fourth proportional to 346,429.53, 478,067.70 and 193,466.10 is: 266,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,429.53 : 478,067.70 = 193,466.10 : x
  2. Step 2: Convert to fraction form
    346,429.53/478,067.70 = 193,466.10/x
  3. Step 3: Cross multiply
    346,429.53x = 478,067.70 × 193,466.10
  4. Step 4: Simplify right side
    346,429.53x = 92,489,893,454.97
  5. Step 5: Solve for x
    x = 92,489,893,454.97/346,429.53
  6. Step 6: Final answer
    x = 266,980.40

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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.