Home / 103,602.09-155,450.29-50,265.28

Finding the Fourth Proportional to 103,602.09, 155,450.29 and 50,265.28

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Solution

The fourth proportional to 103,602.09, 155,450.29 and 50,265.28 is: 75,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,602.09 : 155,450.29 = 50,265.28 : x
  2. Step 2: Convert to fraction form
    103,602.09/155,450.29 = 50,265.28/x
  3. Step 3: Cross multiply
    103,602.09x = 155,450.29 × 50,265.28
  4. Step 4: Simplify right side
    103,602.09x = 7,813,752,352.93
  5. Step 5: Solve for x
    x = 7,813,752,352.93/103,602.09
  6. Step 6: Final answer
    x = 75,420.80

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1.5x scale

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.