Home / 120,975.60-181,500.36-61,852.80

Finding the Fourth Proportional to 120,975.60, 181,500.36 and 61,852.80

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Solution

The fourth proportional to 120,975.60, 181,500.36 and 61,852.80 is: 92,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,975.60 : 181,500.36 = 61,852.80 : x
  2. Step 2: Convert to fraction form
    120,975.60/181,500.36 = 61,852.80/x
  3. Step 3: Cross multiply
    120,975.60x = 181,500.36 × 61,852.80
  4. Step 4: Simplify right side
    120,975.60x = 11,226,305,467.01
  5. Step 5: Solve for x
    x = 11,226,305,467.01/120,975.60
  6. Step 6: Final answer
    x = 92,798.10

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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.