Home / 525,229.82-787,948.15-188,180.32

Finding the Fourth Proportional to 525,229.82, 787,948.15 and 188,180.32

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Solution

The fourth proportional to 525,229.82, 787,948.15 and 188,180.32 is: 282,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,229.82 : 787,948.15 = 188,180.32 : x
  2. Step 2: Convert to fraction form
    525,229.82/787,948.15 = 188,180.32/x
  3. Step 3: Cross multiply
    525,229.82x = 787,948.15 × 188,180.32
  4. Step 4: Simplify right side
    525,229.82x = 148,276,331,070.67
  5. Step 5: Solve for x
    x = 148,276,331,070.67/525,229.82
  6. Step 6: Final answer
    x = 282,307.53

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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.