Home / 291,943.53-402,920.73-171,132.30

Finding the Fourth Proportional to 291,943.53, 402,920.73 and 171,132.30

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Solution

The fourth proportional to 291,943.53, 402,920.73 and 171,132.30 is: 236,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,943.53 : 402,920.73 = 171,132.30 : x
  2. Step 2: Convert to fraction form
    291,943.53/402,920.73 = 171,132.30/x
  3. Step 3: Cross multiply
    291,943.53x = 402,920.73 × 171,132.30
  4. Step 4: Simplify right side
    291,943.53x = 68,952,751,242.58
  5. Step 5: Solve for x
    x = 68,952,751,242.58/291,943.53
  6. Step 6: Final answer
    x = 236,185.24

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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.