Home / 525,168.66-787,836.29-188,202.05

Finding the Fourth Proportional to 525,168.66, 787,836.29 and 188,202.05

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Solution

The fourth proportional to 525,168.66, 787,836.29 and 188,202.05 is: 282,332.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,168.66 : 787,836.29 = 188,202.05 : x
  2. Step 2: Convert to fraction form
    525,168.66/787,836.29 = 188,202.05/x
  3. Step 3: Cross multiply
    525,168.66x = 787,836.29 × 188,202.05
  4. Step 4: Simplify right side
    525,168.66x = 148,272,404,842.40
  5. Step 5: Solve for x
    x = 148,272,404,842.40/525,168.66
  6. Step 6: Final answer
    x = 282,332.93

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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.