Home / 525,590.29-788,437.05-141,334.39

Finding the Fourth Proportional to 525,590.29, 788,437.05 and 141,334.39

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Solution

The fourth proportional to 525,590.29, 788,437.05 and 141,334.39 is: 212,015.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,590.29 : 788,437.05 = 141,334.39 : x
  2. Step 2: Convert to fraction form
    525,590.29/788,437.05 = 141,334.39/x
  3. Step 3: Cross multiply
    525,590.29x = 788,437.05 × 141,334.39
  4. Step 4: Simplify right side
    525,590.29x = 111,433,269,515.15
  5. Step 5: Solve for x
    x = 111,433,269,515.15/525,590.29
  6. Step 6: Final answer
    x = 212,015.46

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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.