Home / 102,110.15-153,165.23-31,033.38

Finding the Fourth Proportional to 102,110.15, 153,165.23 and 31,033.38

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Solution

The fourth proportional to 102,110.15, 153,165.23 and 31,033.38 is: 46,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,110.15 : 153,165.23 = 31,033.38 : x
  2. Step 2: Convert to fraction form
    102,110.15/153,165.23 = 31,033.38/x
  3. Step 3: Cross multiply
    102,110.15x = 153,165.23 × 31,033.38
  4. Step 4: Simplify right side
    102,110.15x = 4,753,234,785.38
  5. Step 5: Solve for x
    x = 4,753,234,785.38/102,110.15
  6. Step 6: Final answer
    x = 46,550.07

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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.