Home / 135,697.77-203,547.18-56,756.62

Finding the Fourth Proportional to 135,697.77, 203,547.18 and 56,756.62

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Solution

The fourth proportional to 135,697.77, 203,547.18 and 56,756.62 is: 85,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,697.77 : 203,547.18 = 56,756.62 : x
  2. Step 2: Convert to fraction form
    135,697.77/203,547.18 = 56,756.62/x
  3. Step 3: Cross multiply
    135,697.77x = 203,547.18 × 56,756.62
  4. Step 4: Simplify right side
    135,697.77x = 11,552,649,663.55
  5. Step 5: Solve for x
    x = 11,552,649,663.55/135,697.77
  6. Step 6: Final answer
    x = 85,135.15

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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.