Home / 272,688.09-409,050.80-92,700.26

Finding the Fourth Proportional to 272,688.09, 409,050.80 and 92,700.26

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Solution

The fourth proportional to 272,688.09, 409,050.80 and 92,700.26 is: 139,056.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,688.09 : 409,050.80 = 92,700.26 : x
  2. Step 2: Convert to fraction form
    272,688.09/409,050.80 = 92,700.26/x
  3. Step 3: Cross multiply
    272,688.09x = 409,050.80 × 92,700.26
  4. Step 4: Simplify right side
    272,688.09x = 37,919,114,886.02
  5. Step 5: Solve for x
    x = 37,919,114,886.02/272,688.09
  6. Step 6: Final answer
    x = 139,056.73

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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.