Home / 113,184.08-155,996.32-82,905.08

Finding the Fourth Proportional to 113,184.08, 155,996.32 and 82,905.08

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Solution

The fourth proportional to 113,184.08, 155,996.32 and 82,905.08 is: 114,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,184.08 : 155,996.32 = 82,905.08 : x
  2. Step 2: Convert to fraction form
    113,184.08/155,996.32 = 82,905.08/x
  3. Step 3: Cross multiply
    113,184.08x = 155,996.32 × 82,905.08
  4. Step 4: Simplify right side
    113,184.08x = 12,932,887,389.31
  5. Step 5: Solve for x
    x = 12,932,887,389.31/113,184.08
  6. Step 6: Final answer
    x = 114,264.19

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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.