Home / 177,534.40-265,912.80-157,835.20

Finding the Fourth Proportional to 177,534.40, 265,912.80 and 157,835.20

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Solution

The fourth proportional to 177,534.40, 265,912.80 and 157,835.20 is: 236,407.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,534.40 : 265,912.80 = 157,835.20 : x
  2. Step 2: Convert to fraction form
    177,534.40/265,912.80 = 157,835.20/x
  3. Step 3: Cross multiply
    177,534.40x = 265,912.80 × 157,835.20
  4. Step 4: Simplify right side
    177,534.40x = 41,970,399,970.56
  5. Step 5: Solve for x
    x = 41,970,399,970.56/177,534.40
  6. Step 6: Final answer
    x = 236,407.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.