Home / 117,572.24-162,296.22-81,783.02

Finding the Fourth Proportional to 117,572.24, 162,296.22 and 81,783.02

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Solution

The fourth proportional to 117,572.24, 162,296.22 and 81,783.02 is: 112,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,572.24 : 162,296.22 = 81,783.02 : x
  2. Step 2: Convert to fraction form
    117,572.24/162,296.22 = 81,783.02/x
  3. Step 3: Cross multiply
    117,572.24x = 162,296.22 × 81,783.02
  4. Step 4: Simplify right side
    117,572.24x = 13,273,074,194.70
  5. Step 5: Solve for x
    x = 13,273,074,194.70/117,572.24
  6. Step 6: Final answer
    x = 112,892.93

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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.