Home / 231,124.24-346,402.80-131,368

Finding the Fourth Proportional to 231,124.24, 346,402.80 and 131,368

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Solution

The fourth proportional to 231,124.24, 346,402.80 and 131,368 is: 196,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,124.24 : 346,402.80 = 131,368 : x
  2. Step 2: Convert to fraction form
    231,124.24/346,402.80 = 131,368/x
  3. Step 3: Cross multiply
    231,124.24x = 346,402.80 × 131,368
  4. Step 4: Simplify right side
    231,124.24x = 45,506,243,030.40
  5. Step 5: Solve for x
    x = 45,506,243,030.40/231,124.24
  6. Step 6: Final answer
    x = 196,890.83

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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.