Home / 113,918.31-170,780.54-69,576.17

Finding the Fourth Proportional to 113,918.31, 170,780.54 and 69,576.17

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Solution

The fourth proportional to 113,918.31, 170,780.54 and 69,576.17 is: 104,305.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918.31 : 170,780.54 = 69,576.17 : x
  2. Step 2: Convert to fraction form
    113,918.31/170,780.54 = 69,576.17/x
  3. Step 3: Cross multiply
    113,918.31x = 170,780.54 × 69,576.17
  4. Step 4: Simplify right side
    113,918.31x = 11,882,254,681.95
  5. Step 5: Solve for x
    x = 11,882,254,681.95/113,918.31
  6. Step 6: Final answer
    x = 104,305.05

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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.