Home / 183,422.16-253,015.10-115,331.22

Finding the Fourth Proportional to 183,422.16, 253,015.10 and 115,331.22

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Solution

The fourth proportional to 183,422.16, 253,015.10 and 115,331.22 is: 159,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,422.16 : 253,015.10 = 115,331.22 : x
  2. Step 2: Convert to fraction form
    183,422.16/253,015.10 = 115,331.22/x
  3. Step 3: Cross multiply
    183,422.16x = 253,015.10 × 115,331.22
  4. Step 4: Simplify right side
    183,422.16x = 29,180,540,161.42
  5. Step 5: Solve for x
    x = 29,180,540,161.42/183,422.16
  6. Step 6: Final answer
    x = 159,089.50

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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.