Home / 465,029.74-697,548.35-128,089

Finding the Fourth Proportional to 465,029.74, 697,548.35 and 128,089

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Solution

The fourth proportional to 465,029.74, 697,548.35 and 128,089 is: 192,134.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,029.74 : 697,548.35 = 128,089 : x
  2. Step 2: Convert to fraction form
    465,029.74/697,548.35 = 128,089/x
  3. Step 3: Cross multiply
    465,029.74x = 697,548.35 × 128,089
  4. Step 4: Simplify right side
    465,029.74x = 89,348,270,603.15
  5. Step 5: Solve for x
    x = 89,348,270,603.15/465,029.74
  6. Step 6: Final answer
    x = 192,134.53

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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.