Home / 121,127.06-181,702.68-46,310.13

Finding the Fourth Proportional to 121,127.06, 181,702.68 and 46,310.13

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Solution

The fourth proportional to 121,127.06, 181,702.68 and 46,310.13 is: 69,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,127.06 : 181,702.68 = 46,310.13 : x
  2. Step 2: Convert to fraction form
    121,127.06/181,702.68 = 46,310.13/x
  3. Step 3: Cross multiply
    121,127.06x = 181,702.68 × 46,310.13
  4. Step 4: Simplify right side
    121,127.06x = 8,414,674,732.15
  5. Step 5: Solve for x
    x = 8,414,674,732.15/121,127.06
  6. Step 6: Final answer
    x = 69,469.82

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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.