Home / 141,971.94-212,911.80-47,176.64

Finding the Fourth Proportional to 141,971.94, 212,911.80 and 47,176.64

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Solution

The fourth proportional to 141,971.94, 212,911.80 and 47,176.64 is: 70,749.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971.94 : 212,911.80 = 47,176.64 : x
  2. Step 2: Convert to fraction form
    141,971.94/212,911.80 = 47,176.64/x
  3. Step 3: Cross multiply
    141,971.94x = 212,911.80 × 47,176.64
  4. Step 4: Simplify right side
    141,971.94x = 10,044,463,340.35
  5. Step 5: Solve for x
    x = 10,044,463,340.35/141,971.94
  6. Step 6: Final answer
    x = 70,749.64

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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.