Home / 119,742.16-179,631.72-40,837.96

Finding the Fourth Proportional to 119,742.16, 179,631.72 and 40,837.96

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Solution

The fourth proportional to 119,742.16, 179,631.72 and 40,837.96 is: 61,263.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.16 : 179,631.72 = 40,837.96 : x
  2. Step 2: Convert to fraction form
    119,742.16/179,631.72 = 40,837.96/x
  3. Step 3: Cross multiply
    119,742.16x = 179,631.72 × 40,837.96
  4. Step 4: Simplify right side
    119,742.16x = 7,335,792,996.09
  5. Step 5: Solve for x
    x = 7,335,792,996.09/119,742.16
  6. Step 6: Final answer
    x = 61,263.24

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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.