Home / 177,623.20-245,112.96-101,152.72

Finding the Fourth Proportional to 177,623.20, 245,112.96 and 101,152.72

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Solution

The fourth proportional to 177,623.20, 245,112.96 and 101,152.72 is: 139,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,623.20 : 245,112.96 = 101,152.72 : x
  2. Step 2: Convert to fraction form
    177,623.20/245,112.96 = 101,152.72/x
  3. Step 3: Cross multiply
    177,623.20x = 245,112.96 × 101,152.72
  4. Step 4: Simplify right side
    177,623.20x = 24,793,842,611.25
  5. Step 5: Solve for x
    x = 24,793,842,611.25/177,623.20
  6. Step 6: Final answer
    x = 139,586.74

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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.