Home / 116,107.20-174,322.80-74,246.40

Finding the Fourth Proportional to 116,107.20, 174,322.80 and 74,246.40

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Solution

The fourth proportional to 116,107.20, 174,322.80 and 74,246.40 is: 111,473.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,107.20 : 174,322.80 = 74,246.40 : x
  2. Step 2: Convert to fraction form
    116,107.20/174,322.80 = 74,246.40/x
  3. Step 3: Cross multiply
    116,107.20x = 174,322.80 × 74,246.40
  4. Step 4: Simplify right side
    116,107.20x = 12,942,840,337.92
  5. Step 5: Solve for x
    x = 12,942,840,337.92/116,107.20
  6. Step 6: Final answer
    x = 111,473.19

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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.