Home / 176,609.36-243,713.49-100,133.60

Finding the Fourth Proportional to 176,609.36, 243,713.49 and 100,133.60

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Solution

The fourth proportional to 176,609.36, 243,713.49 and 100,133.60 is: 138,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,609.36 : 243,713.49 = 100,133.60 : x
  2. Step 2: Convert to fraction form
    176,609.36/243,713.49 = 100,133.60/x
  3. Step 3: Cross multiply
    176,609.36x = 243,713.49 × 100,133.60
  4. Step 4: Simplify right side
    176,609.36x = 24,403,907,903.70
  5. Step 5: Solve for x
    x = 24,403,907,903.70/176,609.36
  6. Step 6: Final answer
    x = 138,180.15

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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.