Home / 211,066.96-291,259.56-115,574.80

Finding the Fourth Proportional to 211,066.96, 291,259.56 and 115,574.80

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Solution

The fourth proportional to 211,066.96, 291,259.56 and 115,574.80 is: 159,486.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,066.96 : 291,259.56 = 115,574.80 : x
  2. Step 2: Convert to fraction form
    211,066.96/291,259.56 = 115,574.80/x
  3. Step 3: Cross multiply
    211,066.96x = 291,259.56 × 115,574.80
  4. Step 4: Simplify right side
    211,066.96x = 33,662,265,395.09
  5. Step 5: Solve for x
    x = 33,662,265,395.09/211,066.96
  6. Step 6: Final answer
    x = 159,486.19

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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.