Home / 100,848.96-151,354.08-45,449.28

Finding the Fourth Proportional to 100,848.96, 151,354.08 and 45,449.28

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Solution

The fourth proportional to 100,848.96, 151,354.08 and 45,449.28 is: 68,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848.96 : 151,354.08 = 45,449.28 : x
  2. Step 2: Convert to fraction form
    100,848.96/151,354.08 = 45,449.28/x
  3. Step 3: Cross multiply
    100,848.96x = 151,354.08 × 45,449.28
  4. Step 4: Simplify right side
    100,848.96x = 6,878,933,961.06
  5. Step 5: Solve for x
    x = 6,878,933,961.06/100,848.96
  6. Step 6: Final answer
    x = 68,210.26

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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.