Home / 177,806.75-245,261.12-124,072.16

Finding the Fourth Proportional to 177,806.75, 245,261.12 and 124,072.16

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Solution

The fourth proportional to 177,806.75, 245,261.12 and 124,072.16 is: 171,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,806.75 : 245,261.12 = 124,072.16 : x
  2. Step 2: Convert to fraction form
    177,806.75/245,261.12 = 124,072.16/x
  3. Step 3: Cross multiply
    177,806.75x = 245,261.12 × 124,072.16
  4. Step 4: Simplify right side
    177,806.75x = 30,430,075,075.75
  5. Step 5: Solve for x
    x = 30,430,075,075.75/177,806.75
  6. Step 6: Final answer
    x = 171,141.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.