Home / 260,581.20-390,929.16-148,314.24

Finding the Fourth Proportional to 260,581.20, 390,929.16 and 148,314.24

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Solution

The fourth proportional to 260,581.20, 390,929.16 and 148,314.24 is: 222,504.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,581.20 : 390,929.16 = 148,314.24 : x
  2. Step 2: Convert to fraction form
    260,581.20/390,929.16 = 148,314.24/x
  3. Step 3: Cross multiply
    260,581.20x = 390,929.16 × 148,314.24
  4. Step 4: Simplify right side
    260,581.20x = 57,980,361,259.24
  5. Step 5: Solve for x
    x = 57,980,361,259.24/260,581.20
  6. Step 6: Final answer
    x = 222,504.01

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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.