Home / 346,078.26-519,114.33-109,421.10

Finding the Fourth Proportional to 346,078.26, 519,114.33 and 109,421.10

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Solution

The fourth proportional to 346,078.26, 519,114.33 and 109,421.10 is: 164,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,078.26 : 519,114.33 = 109,421.10 : x
  2. Step 2: Convert to fraction form
    346,078.26/519,114.33 = 109,421.10/x
  3. Step 3: Cross multiply
    346,078.26x = 519,114.33 × 109,421.10
  4. Step 4: Simplify right side
    346,078.26x = 56,802,061,014.36
  5. Step 5: Solve for x
    x = 56,802,061,014.36/346,078.26
  6. Step 6: Final answer
    x = 164,130.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.