Home / 260,680.02-390,666.33-110,732.28

Finding the Fourth Proportional to 260,680.02, 390,666.33 and 110,732.28

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Solution

The fourth proportional to 260,680.02, 390,666.33 and 110,732.28 is: 165,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,680.02 : 390,666.33 = 110,732.28 : x
  2. Step 2: Convert to fraction form
    260,680.02/390,666.33 = 110,732.28/x
  3. Step 3: Cross multiply
    260,680.02x = 390,666.33 × 110,732.28
  4. Step 4: Simplify right side
    260,680.02x = 43,259,373,440.13
  5. Step 5: Solve for x
    x = 43,259,373,440.13/260,680.02
  6. Step 6: Final answer
    x = 165,948.17

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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.