Home / 346,419.60-519,629.40-228,159.60

Finding the Fourth Proportional to 346,419.60, 519,629.40 and 228,159.60

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Solution

The fourth proportional to 346,419.60, 519,629.40 and 228,159.60 is: 342,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,419.60 : 519,629.40 = 228,159.60 : x
  2. Step 2: Convert to fraction form
    346,419.60/519,629.40 = 228,159.60/x
  3. Step 3: Cross multiply
    346,419.60x = 519,629.40 × 228,159.60
  4. Step 4: Simplify right side
    346,419.60x = 118,558,436,052.24
  5. Step 5: Solve for x
    x = 118,558,436,052.24/346,419.60
  6. Step 6: Final answer
    x = 342,239.40

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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.