Home / 120,946.84-181,333.56-56,869.12

Finding the Fourth Proportional to 120,946.84, 181,333.56 and 56,869.12

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Solution

The fourth proportional to 120,946.84, 181,333.56 and 56,869.12 is: 85,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,946.84 : 181,333.56 = 56,869.12 : x
  2. Step 2: Convert to fraction form
    120,946.84/181,333.56 = 56,869.12/x
  3. Step 3: Cross multiply
    120,946.84x = 181,333.56 × 56,869.12
  4. Step 4: Simplify right side
    120,946.84x = 10,312,279,983.67
  5. Step 5: Solve for x
    x = 10,312,279,983.67/120,946.84
  6. Step 6: Final answer
    x = 85,262.91

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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.