Home / 525,081.48-787,759.94-165,237.36

Finding the Fourth Proportional to 525,081.48, 787,759.94 and 165,237.36

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Solution

The fourth proportional to 525,081.48, 787,759.94 and 165,237.36 is: 247,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,081.48 : 787,759.94 = 165,237.36 : x
  2. Step 2: Convert to fraction form
    525,081.48/787,759.94 = 165,237.36/x
  3. Step 3: Cross multiply
    525,081.48x = 787,759.94 × 165,237.36
  4. Step 4: Simplify right side
    525,081.48x = 130,167,371,973.17
  5. Step 5: Solve for x
    x = 130,167,371,973.17/525,081.48
  6. Step 6: Final answer
    x = 247,899.38

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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.