Home / 145,580.25-200,788.56-127,645.23

Finding the Fourth Proportional to 145,580.25, 200,788.56 and 127,645.23

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Solution

The fourth proportional to 145,580.25, 200,788.56 and 127,645.23 is: 176,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,580.25 : 200,788.56 = 127,645.23 : x
  2. Step 2: Convert to fraction form
    145,580.25/200,788.56 = 127,645.23/x
  3. Step 3: Cross multiply
    145,580.25x = 200,788.56 × 127,645.23
  4. Step 4: Simplify right side
    145,580.25x = 25,629,701,922.57
  5. Step 5: Solve for x
    x = 25,629,701,922.57/145,580.25
  6. Step 6: Final answer
    x = 176,052.05

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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.