Home / 305,637.06-458,555.20-153,755.76

Finding the Fourth Proportional to 305,637.06, 458,555.20 and 153,755.76

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Solution

The fourth proportional to 305,637.06, 458,555.20 and 153,755.76 is: 230,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,637.06 : 458,555.20 = 153,755.76 : x
  2. Step 2: Convert to fraction form
    305,637.06/458,555.20 = 153,755.76/x
  3. Step 3: Cross multiply
    305,637.06x = 458,555.20 × 153,755.76
  4. Step 4: Simplify right side
    305,637.06x = 70,505,503,277.95
  5. Step 5: Solve for x
    x = 70,505,503,277.95/305,637.06
  6. Step 6: Final answer
    x = 230,683.75

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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.