Home / 116,002.40-174,003.60-76,636.40

Finding the Fourth Proportional to 116,002.40, 174,003.60 and 76,636.40

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Solution

The fourth proportional to 116,002.40, 174,003.60 and 76,636.40 is: 114,954.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,002.40 : 174,003.60 = 76,636.40 : x
  2. Step 2: Convert to fraction form
    116,002.40/174,003.60 = 76,636.40/x
  3. Step 3: Cross multiply
    116,002.40x = 174,003.60 × 76,636.40
  4. Step 4: Simplify right side
    116,002.40x = 13,335,009,491.04
  5. Step 5: Solve for x
    x = 13,335,009,491.04/116,002.40
  6. Step 6: Final answer
    x = 114,954.60

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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.