Home / 260,554.08-390,699.60-92,049.12

Finding the Fourth Proportional to 260,554.08, 390,699.60 and 92,049.12

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Solution

The fourth proportional to 260,554.08, 390,699.60 and 92,049.12 is: 138,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,554.08 : 390,699.60 = 92,049.12 : x
  2. Step 2: Convert to fraction form
    260,554.08/390,699.60 = 92,049.12/x
  3. Step 3: Cross multiply
    260,554.08x = 390,699.60 × 92,049.12
  4. Step 4: Simplify right side
    260,554.08x = 35,963,554,364.35
  5. Step 5: Solve for x
    x = 35,963,554,364.35/260,554.08
  6. Step 6: Final answer
    x = 138,027.22

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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.