Home / 136,632.90-203,575.59-128,993.45

Finding the Fourth Proportional to 136,632.90, 203,575.59 and 128,993.45

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Solution

The fourth proportional to 136,632.90, 203,575.59 and 128,993.45 is: 192,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,632.90 : 203,575.59 = 128,993.45 : x
  2. Step 2: Convert to fraction form
    136,632.90/203,575.59 = 128,993.45/x
  3. Step 3: Cross multiply
    136,632.90x = 203,575.59 × 128,993.45
  4. Step 4: Simplify right side
    136,632.90x = 26,259,917,044.92
  5. Step 5: Solve for x
    x = 26,259,917,044.92/136,632.90
  6. Step 6: Final answer
    x = 192,193.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.