Home / 120,848.60-181,272.90-41,970.80

Finding the Fourth Proportional to 120,848.60, 181,272.90 and 41,970.80

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Solution

The fourth proportional to 120,848.60, 181,272.90 and 41,970.80 is: 62,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,848.60 : 181,272.90 = 41,970.80 : x
  2. Step 2: Convert to fraction form
    120,848.60/181,272.90 = 41,970.80/x
  3. Step 3: Cross multiply
    120,848.60x = 181,272.90 × 41,970.80
  4. Step 4: Simplify right side
    120,848.60x = 7,608,168,631.32
  5. Step 5: Solve for x
    x = 7,608,168,631.32/120,848.60
  6. Step 6: Final answer
    x = 62,956.20

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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.