Home / 175,028.80-262,543.20-56,712.10

Finding the Fourth Proportional to 175,028.80, 262,543.20 and 56,712.10

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Solution

The fourth proportional to 175,028.80, 262,543.20 and 56,712.10 is: 85,068.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,028.80 : 262,543.20 = 56,712.10 : x
  2. Step 2: Convert to fraction form
    175,028.80/262,543.20 = 56,712.10/x
  3. Step 3: Cross multiply
    175,028.80x = 262,543.20 × 56,712.10
  4. Step 4: Simplify right side
    175,028.80x = 14,889,376,212.72
  5. Step 5: Solve for x
    x = 14,889,376,212.72/175,028.80
  6. Step 6: Final answer
    x = 85,068.15

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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.