Home / 217,769.80-326,816.70-112,534.60

Finding the Fourth Proportional to 217,769.80, 326,816.70 and 112,534.60

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Solution

The fourth proportional to 217,769.80, 326,816.70 and 112,534.60 is: 168,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,769.80 : 326,816.70 = 112,534.60 : x
  2. Step 2: Convert to fraction form
    217,769.80/326,816.70 = 112,534.60/x
  3. Step 3: Cross multiply
    217,769.80x = 326,816.70 × 112,534.60
  4. Step 4: Simplify right side
    217,769.80x = 36,778,186,607.82
  5. Step 5: Solve for x
    x = 36,778,186,607.82/217,769.80
  6. Step 6: Final answer
    x = 168,885.62

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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.