Home / 145,600.26-218,400.31-40,419.19

Finding the Fourth Proportional to 145,600.26, 218,400.31 and 40,419.19

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Solution

The fourth proportional to 145,600.26, 218,400.31 and 40,419.19 is: 60,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,600.26 : 218,400.31 = 40,419.19 : x
  2. Step 2: Convert to fraction form
    145,600.26/218,400.31 = 40,419.19/x
  3. Step 3: Cross multiply
    145,600.26x = 218,400.31 × 40,419.19
  4. Step 4: Simplify right side
    145,600.26x = 8,827,563,625.95
  5. Step 5: Solve for x
    x = 8,827,563,625.95/145,600.26
  6. Step 6: Final answer
    x = 60,628.76

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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.