Home / 291,966.03-402,951.78-171,154.80

Finding the Fourth Proportional to 291,966.03, 402,951.78 and 171,154.80

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Solution

The fourth proportional to 291,966.03, 402,951.78 and 171,154.80 is: 236,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,966.03 : 402,951.78 = 171,154.80 : x
  2. Step 2: Convert to fraction form
    291,966.03/402,951.78 = 171,154.80/x
  3. Step 3: Cross multiply
    291,966.03x = 402,951.78 × 171,154.80
  4. Step 4: Simplify right side
    291,966.03x = 68,967,131,315.54
  5. Step 5: Solve for x
    x = 68,967,131,315.54/291,966.03
  6. Step 6: Final answer
    x = 236,216.29

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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.