Home / 134,939.60-202,433.70-56,061.80

Finding the Fourth Proportional to 134,939.60, 202,433.70 and 56,061.80

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Solution

The fourth proportional to 134,939.60, 202,433.70 and 56,061.80 is: 84,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,939.60 : 202,433.70 = 56,061.80 : x
  2. Step 2: Convert to fraction form
    134,939.60/202,433.70 = 56,061.80/x
  3. Step 3: Cross multiply
    134,939.60x = 202,433.70 × 56,061.80
  4. Step 4: Simplify right side
    134,939.60x = 11,348,797,602.66
  5. Step 5: Solve for x
    x = 11,348,797,602.66/134,939.60
  6. Step 6: Final answer
    x = 84,102.80

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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.