Home / 137,132.24-189,260.01-76,706.24

Finding the Fourth Proportional to 137,132.24, 189,260.01 and 76,706.24

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Solution

The fourth proportional to 137,132.24, 189,260.01 and 76,706.24 is: 105,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,132.24 : 189,260.01 = 76,706.24 : x
  2. Step 2: Convert to fraction form
    137,132.24/189,260.01 = 76,706.24/x
  3. Step 3: Cross multiply
    137,132.24x = 189,260.01 × 76,706.24
  4. Step 4: Simplify right side
    137,132.24x = 14,517,422,803.16
  5. Step 5: Solve for x
    x = 14,517,422,803.16/137,132.24
  6. Step 6: Final answer
    x = 105,864.41

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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.