Home / 260,558.28-390,868.95-92,044.13

Finding the Fourth Proportional to 260,558.28, 390,868.95 and 92,044.13

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Solution

The fourth proportional to 260,558.28, 390,868.95 and 92,044.13 is: 138,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,558.28 : 390,868.95 = 92,044.13 : x
  2. Step 2: Convert to fraction form
    260,558.28/390,868.95 = 92,044.13/x
  3. Step 3: Cross multiply
    260,558.28x = 390,868.95 × 92,044.13
  4. Step 4: Simplify right side
    260,558.28x = 35,977,190,492.42
  5. Step 5: Solve for x
    x = 35,977,190,492.42/260,558.28
  6. Step 6: Final answer
    x = 138,077.33

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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.