Home / 143,536.33-198,115.29-111,207

Finding the Fourth Proportional to 143,536.33, 198,115.29 and 111,207

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Solution

The fourth proportional to 143,536.33, 198,115.29 and 111,207 is: 153,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,536.33 : 198,115.29 = 111,207 : x
  2. Step 2: Convert to fraction form
    143,536.33/198,115.29 = 111,207/x
  3. Step 3: Cross multiply
    143,536.33x = 198,115.29 × 111,207
  4. Step 4: Simplify right side
    143,536.33x = 22,031,806,638.00
  5. Step 5: Solve for x
    x = 22,031,806,638.00/143,536.33
  6. Step 6: Final answer
    x = 153,492.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.