Home / 659,357.04-989,115.65-186,042.45

Finding the Fourth Proportional to 659,357.04, 989,115.65 and 186,042.45

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Solution

The fourth proportional to 659,357.04, 989,115.65 and 186,042.45 is: 279,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,357.04 : 989,115.65 = 186,042.45 : x
  2. Step 2: Convert to fraction form
    659,357.04/989,115.65 = 186,042.45/x
  3. Step 3: Cross multiply
    659,357.04x = 989,115.65 × 186,042.45
  4. Step 4: Simplify right side
    659,357.04x = 184,017,497,929.13
  5. Step 5: Solve for x
    x = 184,017,497,929.13/659,357.04
  6. Step 6: Final answer
    x = 279,086.27

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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.