Home / 119,445.60-179,168.40-106,543.20

Finding the Fourth Proportional to 119,445.60, 179,168.40 and 106,543.20

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Solution

The fourth proportional to 119,445.60, 179,168.40 and 106,543.20 is: 159,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,445.60 : 179,168.40 = 106,543.20 : x
  2. Step 2: Convert to fraction form
    119,445.60/179,168.40 = 106,543.20/x
  3. Step 3: Cross multiply
    119,445.60x = 179,168.40 × 106,543.20
  4. Step 4: Simplify right side
    119,445.60x = 19,089,174,674.88
  5. Step 5: Solve for x
    x = 19,089,174,674.88/119,445.60
  6. Step 6: Final answer
    x = 159,814.80

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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.