Home / 118,425.20-177,637.80-102,527.60

Finding the Fourth Proportional to 118,425.20, 177,637.80 and 102,527.60

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Solution

The fourth proportional to 118,425.20, 177,637.80 and 102,527.60 is: 153,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,425.20 : 177,637.80 = 102,527.60 : x
  2. Step 2: Convert to fraction form
    118,425.20/177,637.80 = 102,527.60/x
  3. Step 3: Cross multiply
    118,425.20x = 177,637.80 × 102,527.60
  4. Step 4: Simplify right side
    118,425.20x = 18,212,777,303.28
  5. Step 5: Solve for x
    x = 18,212,777,303.28/118,425.20
  6. Step 6: Final answer
    x = 153,791.40

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1.5x scale

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.