Home / 110,875.40-166,276.65-40,745.60

Finding the Fourth Proportional to 110,875.40, 166,276.65 and 40,745.60

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Solution

The fourth proportional to 110,875.40, 166,276.65 and 40,745.60 is: 61,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.40 : 166,276.65 = 40,745.60 : x
  2. Step 2: Convert to fraction form
    110,875.40/166,276.65 = 40,745.60/x
  3. Step 3: Cross multiply
    110,875.40x = 166,276.65 × 40,745.60
  4. Step 4: Simplify right side
    110,875.40x = 6,775,041,870.24
  5. Step 5: Solve for x
    x = 6,775,041,870.24/110,875.40
  6. Step 6: Final answer
    x = 61,105.00

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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.