Home / 341,113.14-470,677.40-218,712.56

Finding the Fourth Proportional to 341,113.14, 470,677.40 and 218,712.56

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Solution

The fourth proportional to 341,113.14, 470,677.40 and 218,712.56 is: 301,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,113.14 : 470,677.40 = 218,712.56 : x
  2. Step 2: Convert to fraction form
    341,113.14/470,677.40 = 218,712.56/x
  3. Step 3: Cross multiply
    341,113.14x = 470,677.40 × 218,712.56
  4. Step 4: Simplify right side
    341,113.14x = 102,943,059,088.14
  5. Step 5: Solve for x
    x = 102,943,059,088.14/341,113.14
  6. Step 6: Final answer
    x = 301,785.67

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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.