Home / 145,316.44-200,634.54-129,955.33

Finding the Fourth Proportional to 145,316.44, 200,634.54 and 129,955.33

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Solution

The fourth proportional to 145,316.44, 200,634.54 and 129,955.33 is: 179,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,316.44 : 200,634.54 = 129,955.33 : x
  2. Step 2: Convert to fraction form
    145,316.44/200,634.54 = 129,955.33/x
  3. Step 3: Cross multiply
    145,316.44x = 200,634.54 × 129,955.33
  4. Step 4: Simplify right side
    145,316.44x = 26,073,527,855.10
  5. Step 5: Solve for x
    x = 26,073,527,855.10/145,316.44
  6. Step 6: Final answer
    x = 179,425.86

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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.