Home / 116,339.76-174,281.22-76,776.12

Finding the Fourth Proportional to 116,339.76, 174,281.22 and 76,776.12

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Solution

The fourth proportional to 116,339.76, 174,281.22 and 76,776.12 is: 115,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,339.76 : 174,281.22 = 76,776.12 : x
  2. Step 2: Convert to fraction form
    116,339.76/174,281.22 = 76,776.12/x
  3. Step 3: Cross multiply
    116,339.76x = 174,281.22 × 76,776.12
  4. Step 4: Simplify right side
    116,339.76x = 13,380,635,860.47
  5. Step 5: Solve for x
    x = 13,380,635,860.47/116,339.76
  6. Step 6: Final answer
    x = 115,013.44

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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.