Home / 105,001.10-143,742.25-104,250.68

Finding the Fourth Proportional to 105,001.10, 143,742.25 and 104,250.68

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Solution

The fourth proportional to 105,001.10, 143,742.25 and 104,250.68 is: 142,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,001.10 : 143,742.25 = 104,250.68 : x
  2. Step 2: Convert to fraction form
    105,001.10/143,742.25 = 104,250.68/x
  3. Step 3: Cross multiply
    105,001.10x = 143,742.25 × 104,250.68
  4. Step 4: Simplify right side
    105,001.10x = 14,985,227,307.23
  5. Step 5: Solve for x
    x = 14,985,227,307.23/105,001.10
  6. Step 6: Final answer
    x = 142,714.96

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.