Home / 120,848.20-181,272.30-119,973.40

Finding the Fourth Proportional to 120,848.20, 181,272.30 and 119,973.40

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Solution

The fourth proportional to 120,848.20, 181,272.30 and 119,973.40 is: 179,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,848.20 : 181,272.30 = 119,973.40 : x
  2. Step 2: Convert to fraction form
    120,848.20/181,272.30 = 119,973.40/x
  3. Step 3: Cross multiply
    120,848.20x = 181,272.30 × 119,973.40
  4. Step 4: Simplify right side
    120,848.20x = 21,747,854,156.82
  5. Step 5: Solve for x
    x = 21,747,854,156.82/120,848.20
  6. Step 6: Final answer
    x = 179,960.10

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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.