Home / 345,886.83-518,987.87-177,525.36

Finding the Fourth Proportional to 345,886.83, 518,987.87 and 177,525.36

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Solution

The fourth proportional to 345,886.83, 518,987.87 and 177,525.36 is: 266,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,886.83 : 518,987.87 = 177,525.36 : x
  2. Step 2: Convert to fraction form
    345,886.83/518,987.87 = 177,525.36/x
  3. Step 3: Cross multiply
    345,886.83x = 518,987.87 × 177,525.36
  4. Step 4: Simplify right side
    345,886.83x = 92,133,507,569.76
  5. Step 5: Solve for x
    x = 92,133,507,569.76/345,886.83
  6. Step 6: Final answer
    x = 266,368.94

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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.