Home / 171,726.30-236,988.45-100,094.76

Finding the Fourth Proportional to 171,726.30, 236,988.45 and 100,094.76

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Solution

The fourth proportional to 171,726.30, 236,988.45 and 100,094.76 is: 138,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,726.30 : 236,988.45 = 100,094.76 : x
  2. Step 2: Convert to fraction form
    171,726.30/236,988.45 = 100,094.76/x
  3. Step 3: Cross multiply
    171,726.30x = 236,988.45 × 100,094.76
  4. Step 4: Simplify right side
    171,726.30x = 23,721,302,025.52
  5. Step 5: Solve for x
    x = 23,721,302,025.52/171,726.30
  6. Step 6: Final answer
    x = 138,134.36

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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.