Home / 291,922.03-402,851.23-157,786.03

Finding the Fourth Proportional to 291,922.03, 402,851.23 and 157,786.03

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Solution

The fourth proportional to 291,922.03, 402,851.23 and 157,786.03 is: 217,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,922.03 : 402,851.23 = 157,786.03 : x
  2. Step 2: Convert to fraction form
    291,922.03/402,851.23 = 157,786.03/x
  3. Step 3: Cross multiply
    291,922.03x = 402,851.23 × 157,786.03
  4. Step 4: Simplify right side
    291,922.03x = 63,564,296,262.32
  5. Step 5: Solve for x
    x = 63,564,296,262.32/291,922.03
  6. Step 6: Final answer
    x = 217,744.09

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1.5x scale

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.