Home / 108,577.04-161,799.28-105,009.44

Finding the Fourth Proportional to 108,577.04, 161,799.28 and 105,009.44

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Solution

The fourth proportional to 108,577.04, 161,799.28 and 105,009.44 is: 156,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,577.04 : 161,799.28 = 105,009.44 : x
  2. Step 2: Convert to fraction form
    108,577.04/161,799.28 = 105,009.44/x
  3. Step 3: Cross multiply
    108,577.04x = 161,799.28 × 105,009.44
  4. Step 4: Simplify right side
    108,577.04x = 16,990,451,785.20
  5. Step 5: Solve for x
    x = 16,990,451,785.20/108,577.04
  6. Step 6: Final answer
    x = 156,482.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.