Home / 137,410.07-189,625.48-76,160.17

Finding the Fourth Proportional to 137,410.07, 189,625.48 and 76,160.17

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Solution

The fourth proportional to 137,410.07, 189,625.48 and 76,160.17 is: 105,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,410.07 : 189,625.48 = 76,160.17 : x
  2. Step 2: Convert to fraction form
    137,410.07/189,625.48 = 76,160.17/x
  3. Step 3: Cross multiply
    137,410.07x = 189,625.48 × 76,160.17
  4. Step 4: Simplify right side
    137,410.07x = 14,441,908,793.13
  5. Step 5: Solve for x
    x = 14,441,908,793.13/137,410.07
  6. Step 6: Final answer
    x = 105,100.80

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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.