Home / 260,589.18-390,941.16-148,322.22

Finding the Fourth Proportional to 260,589.18, 390,941.16 and 148,322.22

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Solution

The fourth proportional to 260,589.18, 390,941.16 and 148,322.22 is: 222,516.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,589.18 : 390,941.16 = 148,322.22 : x
  2. Step 2: Convert to fraction form
    260,589.18/390,941.16 = 148,322.22/x
  3. Step 3: Cross multiply
    260,589.18x = 390,941.16 × 148,322.22
  4. Step 4: Simplify right side
    260,589.18x = 57,985,260,740.58
  5. Step 5: Solve for x
    x = 57,985,260,740.58/260,589.18
  6. Step 6: Final answer
    x = 222,516.00

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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.