Home / 211,379.66-292,090.52-153,919.18

Finding the Fourth Proportional to 211,379.66, 292,090.52 and 153,919.18

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Solution

The fourth proportional to 211,379.66, 292,090.52 and 153,919.18 is: 212,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,379.66 : 292,090.52 = 153,919.18 : x
  2. Step 2: Convert to fraction form
    211,379.66/292,090.52 = 153,919.18/x
  3. Step 3: Cross multiply
    211,379.66x = 292,090.52 × 153,919.18
  4. Step 4: Simplify right side
    211,379.66x = 44,958,333,324.17
  5. Step 5: Solve for x
    x = 44,958,333,324.17/211,379.66
  6. Step 6: Final answer
    x = 212,689.97

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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.