Home / 211,061.14-291,261.47-115,567.84

Finding the Fourth Proportional to 211,061.14, 291,261.47 and 115,567.84

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Solution

The fourth proportional to 211,061.14, 291,261.47 and 115,567.84 is: 159,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,061.14 : 291,261.47 = 115,567.84 : x
  2. Step 2: Convert to fraction form
    211,061.14/291,261.47 = 115,567.84/x
  3. Step 3: Cross multiply
    211,061.14x = 291,261.47 × 115,567.84
  4. Step 4: Simplify right side
    211,061.14x = 33,660,458,523.89
  5. Step 5: Solve for x
    x = 33,660,458,523.89/211,061.14
  6. Step 6: Final answer
    x = 159,482.03

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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.