Home / 177,039.42-265,559.13-66,205.50

Finding the Fourth Proportional to 177,039.42, 265,559.13 and 66,205.50

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Solution

The fourth proportional to 177,039.42, 265,559.13 and 66,205.50 is: 99,308.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,039.42 : 265,559.13 = 66,205.50 : x
  2. Step 2: Convert to fraction form
    177,039.42/265,559.13 = 66,205.50/x
  3. Step 3: Cross multiply
    177,039.42x = 265,559.13 × 66,205.50
  4. Step 4: Simplify right side
    177,039.42x = 17,581,474,981.22
  5. Step 5: Solve for x
    x = 17,581,474,981.22/177,039.42
  6. Step 6: Final answer
    x = 99,308.25

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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.