Home / 109,633.10-164,449.65-101,857.10

Finding the Fourth Proportional to 109,633.10, 164,449.65 and 101,857.10

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Solution

The fourth proportional to 109,633.10, 164,449.65 and 101,857.10 is: 152,785.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,633.10 : 164,449.65 = 101,857.10 : x
  2. Step 2: Convert to fraction form
    109,633.10/164,449.65 = 101,857.10/x
  3. Step 3: Cross multiply
    109,633.10x = 164,449.65 × 101,857.10
  4. Step 4: Simplify right side
    109,633.10x = 16,750,364,445.02
  5. Step 5: Solve for x
    x = 16,750,364,445.02/109,633.10
  6. Step 6: Final answer
    x = 152,785.65

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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.