Home / 107,848.80-161,773.20-103,298.40

Finding the Fourth Proportional to 107,848.80, 161,773.20 and 103,298.40

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Solution

The fourth proportional to 107,848.80, 161,773.20 and 103,298.40 is: 154,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,848.80 : 161,773.20 = 103,298.40 : x
  2. Step 2: Convert to fraction form
    107,848.80/161,773.20 = 103,298.40/x
  3. Step 3: Cross multiply
    107,848.80x = 161,773.20 × 103,298.40
  4. Step 4: Simplify right side
    107,848.80x = 16,710,912,722.88
  5. Step 5: Solve for x
    x = 16,710,912,722.88/107,848.80
  6. Step 6: Final answer
    x = 154,947.60

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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.