Home / 177,784.32-245,322.27-105,189.44

Finding the Fourth Proportional to 177,784.32, 245,322.27 and 105,189.44

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Solution

The fourth proportional to 177,784.32, 245,322.27 and 105,189.44 is: 145,149.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,784.32 : 245,322.27 = 105,189.44 : x
  2. Step 2: Convert to fraction form
    177,784.32/245,322.27 = 105,189.44/x
  3. Step 3: Cross multiply
    177,784.32x = 245,322.27 × 105,189.44
  4. Step 4: Simplify right side
    177,784.32x = 25,805,310,974.22
  5. Step 5: Solve for x
    x = 25,805,310,974.22/177,784.32
  6. Step 6: Final answer
    x = 145,149.53

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1.5x scale

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.