Home / 291,070.36-401,530.12-170,132.64

Finding the Fourth Proportional to 291,070.36, 401,530.12 and 170,132.64

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Solution

The fourth proportional to 291,070.36, 401,530.12 and 170,132.64 is: 234,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,070.36 : 401,530.12 = 170,132.64 : x
  2. Step 2: Convert to fraction form
    291,070.36/401,530.12 = 170,132.64/x
  3. Step 3: Cross multiply
    291,070.36x = 401,530.12 × 170,132.64
  4. Step 4: Simplify right side
    291,070.36x = 68,313,379,355.12
  5. Step 5: Solve for x
    x = 68,313,379,355.12/291,070.36
  6. Step 6: Final answer
    x = 234,697.13

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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.