Home / 372,191.36-513,741.16-211,153.44

Finding the Fourth Proportional to 372,191.36, 513,741.16 and 211,153.44

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Solution

The fourth proportional to 372,191.36, 513,741.16 and 211,153.44 is: 291,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,191.36 : 513,741.16 = 211,153.44 : x
  2. Step 2: Convert to fraction form
    372,191.36/513,741.16 = 211,153.44/x
  3. Step 3: Cross multiply
    372,191.36x = 513,741.16 × 211,153.44
  4. Step 4: Simplify right side
    372,191.36x = 108,478,213,203.59
  5. Step 5: Solve for x
    x = 108,478,213,203.59/372,191.36
  6. Step 6: Final answer
    x = 291,458.17

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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.