Home / 465,112.77-697,544.25-128,073.18

Finding the Fourth Proportional to 465,112.77, 697,544.25 and 128,073.18

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Solution

The fourth proportional to 465,112.77, 697,544.25 and 128,073.18 is: 192,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,112.77 : 697,544.25 = 128,073.18 : x
  2. Step 2: Convert to fraction form
    465,112.77/697,544.25 = 128,073.18/x
  3. Step 3: Cross multiply
    465,112.77x = 697,544.25 × 128,073.18
  4. Step 4: Simplify right side
    465,112.77x = 89,336,710,288.22
  5. Step 5: Solve for x
    x = 89,336,710,288.22/465,112.77
  6. Step 6: Final answer
    x = 192,075.38

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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.