Home / 211,636.74-292,071.82-139,892.34

Finding the Fourth Proportional to 211,636.74, 292,071.82 and 139,892.34

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Solution

The fourth proportional to 211,636.74, 292,071.82 and 139,892.34 is: 193,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,636.74 : 292,071.82 = 139,892.34 : x
  2. Step 2: Convert to fraction form
    211,636.74/292,071.82 = 139,892.34/x
  3. Step 3: Cross multiply
    211,636.74x = 292,071.82 × 139,892.34
  4. Step 4: Simplify right side
    211,636.74x = 40,858,610,347.86
  5. Step 5: Solve for x
    x = 40,858,610,347.86/211,636.74
  6. Step 6: Final answer
    x = 193,060.10

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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.