Home / 217,892.49-326,857.59-60,120.93

Finding the Fourth Proportional to 217,892.49, 326,857.59 and 60,120.93

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Solution

The fourth proportional to 217,892.49, 326,857.59 and 60,120.93 is: 90,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,892.49 : 326,857.59 = 60,120.93 : x
  2. Step 2: Convert to fraction form
    217,892.49/326,857.59 = 60,120.93/x
  3. Step 3: Cross multiply
    217,892.49x = 326,857.59 × 60,120.93
  4. Step 4: Simplify right side
    217,892.49x = 19,650,982,288.36
  5. Step 5: Solve for x
    x = 19,650,982,288.36/217,892.49
  6. Step 6: Final answer
    x = 90,186.60

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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.