Home / 130,627.45-180,251.47-73,254.97

Finding the Fourth Proportional to 130,627.45, 180,251.47 and 73,254.97

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Solution

The fourth proportional to 130,627.45, 180,251.47 and 73,254.97 is: 101,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,627.45 : 180,251.47 = 73,254.97 : x
  2. Step 2: Convert to fraction form
    130,627.45/180,251.47 = 73,254.97/x
  3. Step 3: Cross multiply
    130,627.45x = 180,251.47 × 73,254.97
  4. Step 4: Simplify right side
    130,627.45x = 13,204,316,328.93
  5. Step 5: Solve for x
    x = 13,204,316,328.93/130,627.45
  6. Step 6: Final answer
    x = 101,083.78

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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.