Home / 207,179.60-285,756.36-135,444.56

Finding the Fourth Proportional to 207,179.60, 285,756.36 and 135,444.56

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Solution

The fourth proportional to 207,179.60, 285,756.36 and 135,444.56 is: 186,814.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,179.60 : 285,756.36 = 135,444.56 : x
  2. Step 2: Convert to fraction form
    207,179.60/285,756.36 = 135,444.56/x
  3. Step 3: Cross multiply
    207,179.60x = 285,756.36 × 135,444.56
  4. Step 4: Simplify right side
    207,179.60x = 38,704,144,447.40
  5. Step 5: Solve for x
    x = 38,704,144,447.40/207,179.60
  6. Step 6: Final answer
    x = 186,814.46

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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.