Home / 260,143.02-390,025.29-175,693.84

Finding the Fourth Proportional to 260,143.02, 390,025.29 and 175,693.84

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Solution

The fourth proportional to 260,143.02, 390,025.29 and 175,693.84 is: 263,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,143.02 : 390,025.29 = 175,693.84 : x
  2. Step 2: Convert to fraction form
    260,143.02/390,025.29 = 175,693.84/x
  3. Step 3: Cross multiply
    260,143.02x = 390,025.29 × 175,693.84
  4. Step 4: Simplify right side
    260,143.02x = 68,525,040,897.21
  5. Step 5: Solve for x
    x = 68,525,040,897.21/260,143.02
  6. Step 6: Final answer
    x = 263,412.95

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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.