Home / 312,176.50-468,075.13-122,409.51

Finding the Fourth Proportional to 312,176.50, 468,075.13 and 122,409.51

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Solution

The fourth proportional to 312,176.50, 468,075.13 and 122,409.51 is: 183,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,176.50 : 468,075.13 = 122,409.51 : x
  2. Step 2: Convert to fraction form
    312,176.50/468,075.13 = 122,409.51/x
  3. Step 3: Cross multiply
    312,176.50x = 468,075.13 × 122,409.51
  4. Step 4: Simplify right side
    312,176.50x = 57,296,848,476.67
  5. Step 5: Solve for x
    x = 57,296,848,476.67/312,176.50
  6. Step 6: Final answer
    x = 183,539.92

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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.