Home / 260,024.20-390,074.10-110,264.20

Finding the Fourth Proportional to 260,024.20, 390,074.10 and 110,264.20

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Solution

The fourth proportional to 260,024.20, 390,074.10 and 110,264.20 is: 165,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,024.20 : 390,074.10 = 110,264.20 : x
  2. Step 2: Convert to fraction form
    260,024.20/390,074.10 = 110,264.20/x
  3. Step 3: Cross multiply
    260,024.20x = 390,074.10 × 110,264.20
  4. Step 4: Simplify right side
    260,024.20x = 43,011,208,577.22
  5. Step 5: Solve for x
    x = 43,011,208,577.22/260,024.20
  6. Step 6: Final answer
    x = 165,412.33

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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.