Home / 335,730.40-503,595.60-186,431.20

Finding the Fourth Proportional to 335,730.40, 503,595.60 and 186,431.20

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Solution

The fourth proportional to 335,730.40, 503,595.60 and 186,431.20 is: 279,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,730.40 : 503,595.60 = 186,431.20 : x
  2. Step 2: Convert to fraction form
    335,730.40/503,595.60 = 186,431.20/x
  3. Step 3: Cross multiply
    335,730.40x = 503,595.60 × 186,431.20
  4. Step 4: Simplify right side
    335,730.40x = 93,885,932,022.72
  5. Step 5: Solve for x
    x = 93,885,932,022.72/335,730.40
  6. Step 6: Final answer
    x = 279,646.80

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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.