Home / 105,214.35-157,821.53-52,604.85

Finding the Fourth Proportional to 105,214.35, 157,821.53 and 52,604.85

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Solution

The fourth proportional to 105,214.35, 157,821.53 and 52,604.85 is: 78,907.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,214.35 : 157,821.53 = 52,604.85 : x
  2. Step 2: Convert to fraction form
    105,214.35/157,821.53 = 52,604.85/x
  3. Step 3: Cross multiply
    105,214.35x = 157,821.53 × 52,604.85
  4. Step 4: Simplify right side
    105,214.35x = 8,302,177,649.40
  5. Step 5: Solve for x
    x = 8,302,177,649.40/105,214.35
  6. Step 6: Final answer
    x = 78,907.28

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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.