Home / 178,902.90-246,909.36-115,425.36

Finding the Fourth Proportional to 178,902.90, 246,909.36 and 115,425.36

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Solution

The fourth proportional to 178,902.90, 246,909.36 and 115,425.36 is: 159,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,902.90 : 246,909.36 = 115,425.36 : x
  2. Step 2: Convert to fraction form
    178,902.90/246,909.36 = 115,425.36/x
  3. Step 3: Cross multiply
    178,902.90x = 246,909.36 × 115,425.36
  4. Step 4: Simplify right side
    178,902.90x = 28,499,601,765.37
  5. Step 5: Solve for x
    x = 28,499,601,765.37/178,902.90
  6. Step 6: Final answer
    x = 159,302.07

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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.