Home / 116,538.40-174,807.60-69,767.20

Finding the Fourth Proportional to 116,538.40, 174,807.60 and 69,767.20

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Solution

The fourth proportional to 116,538.40, 174,807.60 and 69,767.20 is: 104,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,538.40 : 174,807.60 = 69,767.20 : x
  2. Step 2: Convert to fraction form
    116,538.40/174,807.60 = 69,767.20/x
  3. Step 3: Cross multiply
    116,538.40x = 174,807.60 × 69,767.20
  4. Step 4: Simplify right side
    116,538.40x = 12,195,836,790.72
  5. Step 5: Solve for x
    x = 12,195,836,790.72/116,538.40
  6. Step 6: Final answer
    x = 104,650.80

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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.