Home / 139,895.19-209,842.78-34,714.16

Finding the Fourth Proportional to 139,895.19, 209,842.78 and 34,714.16

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Solution

The fourth proportional to 139,895.19, 209,842.78 and 34,714.16 is: 52,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,895.19 : 209,842.78 = 34,714.16 : x
  2. Step 2: Convert to fraction form
    139,895.19/209,842.78 = 34,714.16/x
  3. Step 3: Cross multiply
    139,895.19x = 209,842.78 × 34,714.16
  4. Step 4: Simplify right side
    139,895.19x = 7,284,515,839.76
  5. Step 5: Solve for x
    x = 7,284,515,839.76/139,895.19
  6. Step 6: Final answer
    x = 52,071.24

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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.