Home / 135,516.08-203,237.40-56,613.80

Finding the Fourth Proportional to 135,516.08, 203,237.40 and 56,613.80

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Solution

The fourth proportional to 135,516.08, 203,237.40 and 56,613.80 is: 84,905.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,516.08 : 203,237.40 = 56,613.80 : x
  2. Step 2: Convert to fraction form
    135,516.08/203,237.40 = 56,613.80/x
  3. Step 3: Cross multiply
    135,516.08x = 203,237.40 × 56,613.80
  4. Step 4: Simplify right side
    135,516.08x = 11,506,041,516.12
  5. Step 5: Solve for x
    x = 11,506,041,516.12/135,516.08
  6. Step 6: Final answer
    x = 84,905.36

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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.