Home / 209,102.10-313,665.17-59,330.67

Finding the Fourth Proportional to 209,102.10, 313,665.17 and 59,330.67

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Solution

The fourth proportional to 209,102.10, 313,665.17 and 59,330.67 is: 88,999.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,102.10 : 313,665.17 = 59,330.67 : x
  2. Step 2: Convert to fraction form
    209,102.10/313,665.17 = 59,330.67/x
  3. Step 3: Cross multiply
    209,102.10x = 313,665.17 × 59,330.67
  4. Step 4: Simplify right side
    209,102.10x = 18,609,964,691.76
  5. Step 5: Solve for x
    x = 18,609,964,691.76/209,102.10
  6. Step 6: Final answer
    x = 88,999.42

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1.5x scale

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.