Home / 136,573.40-188,404.30-91,262.51

Finding the Fourth Proportional to 136,573.40, 188,404.30 and 91,262.51

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Solution

The fourth proportional to 136,573.40, 188,404.30 and 91,262.51 is: 125,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,573.40 : 188,404.30 = 91,262.51 : x
  2. Step 2: Convert to fraction form
    136,573.40/188,404.30 = 91,262.51/x
  3. Step 3: Cross multiply
    136,573.40x = 188,404.30 × 91,262.51
  4. Step 4: Simplify right side
    136,573.40x = 17,194,248,142.62
  5. Step 5: Solve for x
    x = 17,194,248,142.62/136,573.40
  6. Step 6: Final answer
    x = 125,897.49

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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.