Home / 161,613.60-242,436.04-55,072.68

Finding the Fourth Proportional to 161,613.60, 242,436.04 and 55,072.68

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Solution

The fourth proportional to 161,613.60, 242,436.04 and 55,072.68 is: 82,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,613.60 : 242,436.04 = 55,072.68 : x
  2. Step 2: Convert to fraction form
    161,613.60/242,436.04 = 55,072.68/x
  3. Step 3: Cross multiply
    161,613.60x = 242,436.04 × 55,072.68
  4. Step 4: Simplify right side
    161,613.60x = 13,351,602,451.39
  5. Step 5: Solve for x
    x = 13,351,602,451.39/161,613.60
  6. Step 6: Final answer
    x = 82,614.35

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1.5x scale

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.