Home / 231,423.30-347,066.91-98,302.50

Finding the Fourth Proportional to 231,423.30, 347,066.91 and 98,302.50

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Solution

The fourth proportional to 231,423.30, 347,066.91 and 98,302.50 is: 147,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,423.30 : 347,066.91 = 98,302.50 : x
  2. Step 2: Convert to fraction form
    231,423.30/347,066.91 = 98,302.50/x
  3. Step 3: Cross multiply
    231,423.30x = 347,066.91 × 98,302.50
  4. Step 4: Simplify right side
    231,423.30x = 34,117,544,920.28
  5. Step 5: Solve for x
    x = 34,117,544,920.28/231,423.30
  6. Step 6: Final answer
    x = 147,424.85

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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.