Home / 116,790.20-174,893.70-77,132.60

Finding the Fourth Proportional to 116,790.20, 174,893.70 and 77,132.60

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Solution

The fourth proportional to 116,790.20, 174,893.70 and 77,132.60 is: 115,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,790.20 : 174,893.70 = 77,132.60 : x
  2. Step 2: Convert to fraction form
    116,790.20/174,893.70 = 77,132.60/x
  3. Step 3: Cross multiply
    116,790.20x = 174,893.70 × 77,132.60
  4. Step 4: Simplify right side
    116,790.20x = 13,490,005,804.62
  5. Step 5: Solve for x
    x = 13,490,005,804.62/116,790.20
  6. Step 6: Final answer
    x = 115,506.32

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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.