Home / 232,290.18-320,521.59-136,815.89

Finding the Fourth Proportional to 232,290.18, 320,521.59 and 136,815.89

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Solution

The fourth proportional to 232,290.18, 320,521.59 and 136,815.89 is: 188,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,290.18 : 320,521.59 = 136,815.89 : x
  2. Step 2: Convert to fraction form
    232,290.18/320,521.59 = 136,815.89/x
  3. Step 3: Cross multiply
    232,290.18x = 320,521.59 × 136,815.89
  4. Step 4: Simplify right side
    232,290.18x = 43,852,444,997.46
  5. Step 5: Solve for x
    x = 43,852,444,997.46/232,290.18
  6. Step 6: Final answer
    x = 188,783.03

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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.