Home / 119,655.90-179,426.75-69,750.38

Finding the Fourth Proportional to 119,655.90, 179,426.75 and 69,750.38

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Solution

The fourth proportional to 119,655.90, 179,426.75 and 69,750.38 is: 104,592.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,655.90 : 179,426.75 = 69,750.38 : x
  2. Step 2: Convert to fraction form
    119,655.90/179,426.75 = 69,750.38/x
  3. Step 3: Cross multiply
    119,655.90x = 179,426.75 × 69,750.38
  4. Step 4: Simplify right side
    119,655.90x = 12,515,084,094.48
  5. Step 5: Solve for x
    x = 12,515,084,094.48/119,655.90
  6. Step 6: Final answer
    x = 104,592.29

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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.