Home / 210,957.94-291,120.88-114,161.72

Finding the Fourth Proportional to 210,957.94, 291,120.88 and 114,161.72

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Solution

The fourth proportional to 210,957.94, 291,120.88 and 114,161.72 is: 157,542.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,957.94 : 291,120.88 = 114,161.72 : x
  2. Step 2: Convert to fraction form
    210,957.94/291,120.88 = 114,161.72/x
  3. Step 3: Cross multiply
    210,957.94x = 291,120.88 × 114,161.72
  4. Step 4: Simplify right side
    210,957.94x = 33,234,860,388.71
  5. Step 5: Solve for x
    x = 33,234,860,388.71/210,957.94
  6. Step 6: Final answer
    x = 157,542.59

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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.