Home / 236,563.05-354,901.14-78,792.87

Finding the Fourth Proportional to 236,563.05, 354,901.14 and 78,792.87

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Solution

The fourth proportional to 236,563.05, 354,901.14 and 78,792.87 is: 118,208.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,563.05 : 354,901.14 = 78,792.87 : x
  2. Step 2: Convert to fraction form
    236,563.05/354,901.14 = 78,792.87/x
  3. Step 3: Cross multiply
    236,563.05x = 354,901.14 × 78,792.87
  4. Step 4: Simplify right side
    236,563.05x = 27,963,679,386.87
  5. Step 5: Solve for x
    x = 27,963,679,386.87/236,563.05
  6. Step 6: Final answer
    x = 118,208.15

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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.