Home / 211,623.47-292,039.53-116,131.76

Finding the Fourth Proportional to 211,623.47, 292,039.53 and 116,131.76

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Solution

The fourth proportional to 211,623.47, 292,039.53 and 116,131.76 is: 160,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,623.47 : 292,039.53 = 116,131.76 : x
  2. Step 2: Convert to fraction form
    211,623.47/292,039.53 = 116,131.76/x
  3. Step 3: Cross multiply
    211,623.47x = 292,039.53 × 116,131.76
  4. Step 4: Simplify right side
    211,623.47x = 33,915,064,608.47
  5. Step 5: Solve for x
    x = 33,915,064,608.47/211,623.47
  6. Step 6: Final answer
    x = 160,261.36

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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.