Home / 147,385.10-220,994.60-51,278.24

Finding the Fourth Proportional to 147,385.10, 220,994.60 and 51,278.24

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Solution

The fourth proportional to 147,385.10, 220,994.60 and 51,278.24 is: 76,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,385.10 : 220,994.60 = 51,278.24 : x
  2. Step 2: Convert to fraction form
    147,385.10/220,994.60 = 51,278.24/x
  3. Step 3: Cross multiply
    147,385.10x = 220,994.60 × 51,278.24
  4. Step 4: Simplify right side
    147,385.10x = 11,332,214,137.50
  5. Step 5: Solve for x
    x = 11,332,214,137.50/147,385.10
  6. Step 6: Final answer
    x = 76,888.47

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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.