Home / 109,893.12-164,606.38-74,376.24

Finding the Fourth Proportional to 109,893.12, 164,606.38 and 74,376.24

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Solution

The fourth proportional to 109,893.12, 164,606.38 and 74,376.24 is: 111,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,893.12 : 164,606.38 = 74,376.24 : x
  2. Step 2: Convert to fraction form
    109,893.12/164,606.38 = 74,376.24/x
  3. Step 3: Cross multiply
    109,893.12x = 164,606.38 × 74,376.24
  4. Step 4: Simplify right side
    109,893.12x = 12,242,803,624.41
  5. Step 5: Solve for x
    x = 12,242,803,624.41/109,893.12
  6. Step 6: Final answer
    x = 111,406.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.