Home / 134,666.48-185,839.67-74,238.14

Finding the Fourth Proportional to 134,666.48, 185,839.67 and 74,238.14

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Solution

The fourth proportional to 134,666.48, 185,839.67 and 74,238.14 is: 102,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,666.48 : 185,839.67 = 74,238.14 : x
  2. Step 2: Convert to fraction form
    134,666.48/185,839.67 = 74,238.14/x
  3. Step 3: Cross multiply
    134,666.48x = 185,839.67 × 74,238.14
  4. Step 4: Simplify right side
    134,666.48x = 13,796,392,089.21
  5. Step 5: Solve for x
    x = 13,796,392,089.21/134,666.48
  6. Step 6: Final answer
    x = 102,448.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.