Home / 116,630.20-174,653.70-76,972.60

Finding the Fourth Proportional to 116,630.20, 174,653.70 and 76,972.60

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Solution

The fourth proportional to 116,630.20, 174,653.70 and 76,972.60 is: 115,266.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,630.20 : 174,653.70 = 76,972.60 : x
  2. Step 2: Convert to fraction form
    116,630.20/174,653.70 = 76,972.60/x
  3. Step 3: Cross multiply
    116,630.20x = 174,653.70 × 76,972.60
  4. Step 4: Simplify right side
    116,630.20x = 13,443,549,388.62
  5. Step 5: Solve for x
    x = 13,443,549,388.62/116,630.20
  6. Step 6: Final answer
    x = 115,266.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.