Home / 209,581.10-289,221.94-114,088.50

Finding the Fourth Proportional to 209,581.10, 289,221.94 and 114,088.50

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Solution

The fourth proportional to 209,581.10, 289,221.94 and 114,088.50 is: 157,442.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,581.10 : 289,221.94 = 114,088.50 : x
  2. Step 2: Convert to fraction form
    209,581.10/289,221.94 = 114,088.50/x
  3. Step 3: Cross multiply
    209,581.10x = 289,221.94 × 114,088.50
  4. Step 4: Simplify right side
    209,581.10x = 32,996,897,301.69
  5. Step 5: Solve for x
    x = 32,996,897,301.69/209,581.10
  6. Step 6: Final answer
    x = 157,442.14

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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.