Home / 211,265.28-290,931.60-197,757.84

Finding the Fourth Proportional to 211,265.28, 290,931.60 and 197,757.84

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Solution

The fourth proportional to 211,265.28, 290,931.60 and 197,757.84 is: 272,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,265.28 : 290,931.60 = 197,757.84 : x
  2. Step 2: Convert to fraction form
    211,265.28/290,931.60 = 197,757.84/x
  3. Step 3: Cross multiply
    211,265.28x = 290,931.60 × 197,757.84
  4. Step 4: Simplify right side
    211,265.28x = 57,534,004,803.74
  5. Step 5: Solve for x
    x = 57,534,004,803.74/211,265.28
  6. Step 6: Final answer
    x = 272,330.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.