Home / 211,069.96-291,263.70-115,577.80

Finding the Fourth Proportional to 211,069.96, 291,263.70 and 115,577.80

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Solution

The fourth proportional to 211,069.96, 291,263.70 and 115,577.80 is: 159,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,069.96 : 291,263.70 = 115,577.80 : x
  2. Step 2: Convert to fraction form
    211,069.96/291,263.70 = 115,577.80/x
  3. Step 3: Cross multiply
    211,069.96x = 291,263.70 × 115,577.80
  4. Step 4: Simplify right side
    211,069.96x = 33,663,617,665.86
  5. Step 5: Solve for x
    x = 33,663,617,665.86/211,069.96
  6. Step 6: Final answer
    x = 159,490.33

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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.