Home / 219,674.73-303,158.30-121,559.10

Finding the Fourth Proportional to 219,674.73, 303,158.30 and 121,559.10

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Solution

The fourth proportional to 219,674.73, 303,158.30 and 121,559.10 is: 167,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,674.73 : 303,158.30 = 121,559.10 : x
  2. Step 2: Convert to fraction form
    219,674.73/303,158.30 = 121,559.10/x
  3. Step 3: Cross multiply
    219,674.73x = 303,158.30 × 121,559.10
  4. Step 4: Simplify right side
    219,674.73x = 36,851,648,360.89
  5. Step 5: Solve for x
    x = 36,851,648,360.89/219,674.73
  6. Step 6: Final answer
    x = 167,755.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.