Home / 418,566.81-627,836.13-181,909.51

Finding the Fourth Proportional to 418,566.81, 627,836.13 and 181,909.51

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Solution

The fourth proportional to 418,566.81, 627,836.13 and 181,909.51 is: 272,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,566.81 : 627,836.13 = 181,909.51 : x
  2. Step 2: Convert to fraction form
    418,566.81/627,836.13 = 181,909.51/x
  3. Step 3: Cross multiply
    418,566.81x = 627,836.13 × 181,909.51
  4. Step 4: Simplify right side
    418,566.81x = 114,209,362,768.60
  5. Step 5: Solve for x
    x = 114,209,362,768.60/418,566.81
  6. Step 6: Final answer
    x = 272,858.14

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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.