Home / 253,176.02-379,950.93-120,056.72

Finding the Fourth Proportional to 253,176.02, 379,950.93 and 120,056.72

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Solution

The fourth proportional to 253,176.02, 379,950.93 and 120,056.72 is: 180,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,176.02 : 379,950.93 = 120,056.72 : x
  2. Step 2: Convert to fraction form
    253,176.02/379,950.93 = 120,056.72/x
  3. Step 3: Cross multiply
    253,176.02x = 379,950.93 × 120,056.72
  4. Step 4: Simplify right side
    253,176.02x = 45,615,662,416.75
  5. Step 5: Solve for x
    x = 45,615,662,416.75/253,176.02
  6. Step 6: Final answer
    x = 180,173.71

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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.