Home / 147,701.26-203,314.62-128,805.58

Finding the Fourth Proportional to 147,701.26, 203,314.62 and 128,805.58

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Solution

The fourth proportional to 147,701.26, 203,314.62 and 128,805.58 is: 177,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,701.26 : 203,314.62 = 128,805.58 : x
  2. Step 2: Convert to fraction form
    147,701.26/203,314.62 = 128,805.58/x
  3. Step 3: Cross multiply
    147,701.26x = 203,314.62 × 128,805.58
  4. Step 4: Simplify right side
    147,701.26x = 26,188,057,551.58
  5. Step 5: Solve for x
    x = 26,188,057,551.58/147,701.26
  6. Step 6: Final answer
    x = 177,304.23

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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.