Home / 211,673.22-292,108.64-121,030.88

Finding the Fourth Proportional to 211,673.22, 292,108.64 and 121,030.88

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Solution

The fourth proportional to 211,673.22, 292,108.64 and 121,030.88 is: 167,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,673.22 : 292,108.64 = 121,030.88 : x
  2. Step 2: Convert to fraction form
    211,673.22/292,108.64 = 121,030.88/x
  3. Step 3: Cross multiply
    211,673.22x = 292,108.64 × 121,030.88
  4. Step 4: Simplify right side
    211,673.22x = 35,354,165,754.80
  5. Step 5: Solve for x
    x = 35,354,165,754.80/211,673.22
  6. Step 6: Final answer
    x = 167,022.38

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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.