Home / 137,093.16-189,192.84-76,666.32

Finding the Fourth Proportional to 137,093.16, 189,192.84 and 76,666.32

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Solution

The fourth proportional to 137,093.16, 189,192.84 and 76,666.32 is: 105,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,093.16 : 189,192.84 = 76,666.32 : x
  2. Step 2: Convert to fraction form
    137,093.16/189,192.84 = 76,666.32/x
  3. Step 3: Cross multiply
    137,093.16x = 189,192.84 × 76,666.32
  4. Step 4: Simplify right side
    137,093.16x = 14,504,718,813.15
  5. Step 5: Solve for x
    x = 14,504,718,813.15/137,093.16
  6. Step 6: Final answer
    x = 105,801.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.