Home / 346,968.40-520,063.80-178,423.60

Finding the Fourth Proportional to 346,968.40, 520,063.80 and 178,423.60

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Solution

The fourth proportional to 346,968.40, 520,063.80 and 178,423.60 is: 267,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,968.40 : 520,063.80 = 178,423.60 : x
  2. Step 2: Convert to fraction form
    346,968.40/520,063.80 = 178,423.60/x
  3. Step 3: Cross multiply
    346,968.40x = 520,063.80 × 178,423.60
  4. Step 4: Simplify right side
    346,968.40x = 92,791,655,425.68
  5. Step 5: Solve for x
    x = 92,791,655,425.68/346,968.40
  6. Step 6: Final answer
    x = 267,435.47

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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.