Home / 260,534.20-390,612.30-176,085.40

Finding the Fourth Proportional to 260,534.20, 390,612.30 and 176,085.40

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Solution

The fourth proportional to 260,534.20, 390,612.30 and 176,085.40 is: 264,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,534.20 : 390,612.30 = 176,085.40 : x
  2. Step 2: Convert to fraction form
    260,534.20/390,612.30 = 176,085.40/x
  3. Step 3: Cross multiply
    260,534.20x = 390,612.30 × 176,085.40
  4. Step 4: Simplify right side
    260,534.20x = 68,781,123,090.42
  5. Step 5: Solve for x
    x = 68,781,123,090.42/260,534.20
  6. Step 6: Final answer
    x = 264,000.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.