Home / 130,056.27-179,496.71-76,370.68

Finding the Fourth Proportional to 130,056.27, 179,496.71 and 76,370.68

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Solution

The fourth proportional to 130,056.27, 179,496.71 and 76,370.68 is: 105,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,056.27 : 179,496.71 = 76,370.68 : x
  2. Step 2: Convert to fraction form
    130,056.27/179,496.71 = 76,370.68/x
  3. Step 3: Cross multiply
    130,056.27x = 179,496.71 × 76,370.68
  4. Step 4: Simplify right side
    130,056.27x = 13,708,285,800.46
  5. Step 5: Solve for x
    x = 13,708,285,800.46/130,056.27
  6. Step 6: Final answer
    x = 105,402.73

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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.