Home / 211,053.86-291,196.59-135,646.10

Finding the Fourth Proportional to 211,053.86, 291,196.59 and 135,646.10

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Solution

The fourth proportional to 211,053.86, 291,196.59 and 135,646.10 is: 187,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,053.86 : 291,196.59 = 135,646.10 : x
  2. Step 2: Convert to fraction form
    211,053.86/291,196.59 = 135,646.10/x
  3. Step 3: Cross multiply
    211,053.86x = 291,196.59 × 135,646.10
  4. Step 4: Simplify right side
    211,053.86x = 39,499,681,766.80
  5. Step 5: Solve for x
    x = 39,499,681,766.80/211,053.86
  6. Step 6: Final answer
    x = 187,154.51

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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.