Home / 177,824.40-266,412.60-140,629.20

Finding the Fourth Proportional to 177,824.40, 266,412.60 and 140,629.20

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Solution

The fourth proportional to 177,824.40, 266,412.60 and 140,629.20 is: 210,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,824.40 : 266,412.60 = 140,629.20 : x
  2. Step 2: Convert to fraction form
    177,824.40/266,412.60 = 140,629.20/x
  3. Step 3: Cross multiply
    177,824.40x = 266,412.60 × 140,629.20
  4. Step 4: Simplify right side
    177,824.40x = 37,465,390,807.92
  5. Step 5: Solve for x
    x = 37,465,390,807.92/177,824.40
  6. Step 6: Final answer
    x = 210,687.57

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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.