Home / 260,031.90-390,047.85-110,246.70

Finding the Fourth Proportional to 260,031.90, 390,047.85 and 110,246.70

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Solution

The fourth proportional to 260,031.90, 390,047.85 and 110,246.70 is: 165,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,031.90 : 390,047.85 = 110,246.70 : x
  2. Step 2: Convert to fraction form
    260,031.90/390,047.85 = 110,246.70/x
  3. Step 3: Cross multiply
    260,031.90x = 390,047.85 × 110,246.70
  4. Step 4: Simplify right side
    260,031.90x = 43,001,488,304.60
  5. Step 5: Solve for x
    x = 43,001,488,304.60/260,031.90
  6. Step 6: Final answer
    x = 165,370.05

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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.