Home / 120,633.60-181,036.80-50,563.20

Finding the Fourth Proportional to 120,633.60, 181,036.80 and 50,563.20

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Solution

The fourth proportional to 120,633.60, 181,036.80 and 50,563.20 is: 75,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,633.60 : 181,036.80 = 50,563.20 : x
  2. Step 2: Convert to fraction form
    120,633.60/181,036.80 = 50,563.20/x
  3. Step 3: Cross multiply
    120,633.60x = 181,036.80 × 50,563.20
  4. Step 4: Simplify right side
    120,633.60x = 9,153,799,925.76
  5. Step 5: Solve for x
    x = 9,153,799,925.76/120,633.60
  6. Step 6: Final answer
    x = 75,881.01

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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.