Home / 115,004.20-172,506.30-96,633.40

Finding the Fourth Proportional to 115,004.20, 172,506.30 and 96,633.40

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Solution

The fourth proportional to 115,004.20, 172,506.30 and 96,633.40 is: 144,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.20 : 172,506.30 = 96,633.40 : x
  2. Step 2: Convert to fraction form
    115,004.20/172,506.30 = 96,633.40/x
  3. Step 3: Cross multiply
    115,004.20x = 172,506.30 × 96,633.40
  4. Step 4: Simplify right side
    115,004.20x = 16,669,870,290.42
  5. Step 5: Solve for x
    x = 16,669,870,290.42/115,004.20
  6. Step 6: Final answer
    x = 144,950.10

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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.