Home / 260,582.44-390,931.02-148,315.48

Finding the Fourth Proportional to 260,582.44, 390,931.02 and 148,315.48

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Solution

The fourth proportional to 260,582.44, 390,931.02 and 148,315.48 is: 222,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,582.44 : 390,931.02 = 148,315.48 : x
  2. Step 2: Convert to fraction form
    260,582.44/390,931.02 = 148,315.48/x
  3. Step 3: Cross multiply
    260,582.44x = 390,931.02 × 148,315.48
  4. Step 4: Simplify right side
    260,582.44x = 57,981,121,878.19
  5. Step 5: Solve for x
    x = 57,981,121,878.19/260,582.44
  6. Step 6: Final answer
    x = 222,505.87

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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.