Home / 141,873.75-212,788.76-47,145.06

Finding the Fourth Proportional to 141,873.75, 212,788.76 and 47,145.06

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Solution

The fourth proportional to 141,873.75, 212,788.76 and 47,145.06 is: 70,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,873.75 : 212,788.76 = 47,145.06 : x
  2. Step 2: Convert to fraction form
    141,873.75/212,788.76 = 47,145.06/x
  3. Step 3: Cross multiply
    141,873.75x = 212,788.76 × 47,145.06
  4. Step 4: Simplify right side
    141,873.75x = 10,031,938,621.80
  5. Step 5: Solve for x
    x = 10,031,938,621.80/141,873.75
  6. Step 6: Final answer
    x = 70,710.32

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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.