Home / 141,812.20-212,751.34-47,035.45

Finding the Fourth Proportional to 141,812.20, 212,751.34 and 47,035.45

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Solution

The fourth proportional to 141,812.20, 212,751.34 and 47,035.45 is: 70,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,812.20 : 212,751.34 = 47,035.45 : x
  2. Step 2: Convert to fraction form
    141,812.20/212,751.34 = 47,035.45/x
  3. Step 3: Cross multiply
    141,812.20x = 212,751.34 × 47,035.45
  4. Step 4: Simplify right side
    141,812.20x = 10,006,855,427.93
  5. Step 5: Solve for x
    x = 10,006,855,427.93/141,812.20
  6. Step 6: Final answer
    x = 70,564.14

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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.