Home / 177,400.21-265,869.28-72,096.07

Finding the Fourth Proportional to 177,400.21, 265,869.28 and 72,096.07

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Solution

The fourth proportional to 177,400.21, 265,869.28 and 72,096.07 is: 108,050.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,400.21 : 265,869.28 = 72,096.07 : x
  2. Step 2: Convert to fraction form
    177,400.21/265,869.28 = 72,096.07/x
  3. Step 3: Cross multiply
    177,400.21x = 265,869.28 × 72,096.07
  4. Step 4: Simplify right side
    177,400.21x = 19,168,128,531.90
  5. Step 5: Solve for x
    x = 19,168,128,531.90/177,400.21
  6. Step 6: Final answer
    x = 108,050.21

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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.