Home / 264,628.06-397,077.93-129,689.60

Finding the Fourth Proportional to 264,628.06, 397,077.93 and 129,689.60

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Solution

The fourth proportional to 264,628.06, 397,077.93 and 129,689.60 is: 194,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,628.06 : 397,077.93 = 129,689.60 : x
  2. Step 2: Convert to fraction form
    264,628.06/397,077.93 = 129,689.60/x
  3. Step 3: Cross multiply
    264,628.06x = 397,077.93 × 129,689.60
  4. Step 4: Simplify right side
    264,628.06x = 51,496,875,925.14
  5. Step 5: Solve for x
    x = 51,496,875,925.14/264,628.06
  6. Step 6: Final answer
    x = 194,600.97

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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.